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Python Foundation Test - Multiple Choice Questions

Section 1: Basics (Q1-5)

1. What will the following code print?

print("Python", end="@")
print("Code")

a) Python Code
b) Python@Code
c) Python@ Code
d) PythonCode@

2. Which of the following is NOT a valid variable name in Python?

a) user_name
b) data2024
c) 2nd_value
d) my_list

3. Which of the following is a valid assignment statement with correct type hint?

a) count#int = 50
b) price: float = 19.99
c) is_active: bool = "True"
d) @name = "Alice"

4. What will the following code print?

print("A", "B", "C", sep=" - ")

a) “A”, “B”, “C”
b) A - B - C
c) A B C
d) A-B-C

5. What will the following code print?

print("Ha" * 3 + "!")

a) Ha3!
b) HaHaHa!
c) Ha Ha Ha!
d) HaHa!

Section 2: Flow Control (Q6-10)

6. If the missing lines are filled in correctly, the program should add each number in the list scores to the running total. The total should be printed after all additions are completed. For example, if scores is [10, 20, 30] then the output will be:

Total: 60

1  scores = [10, 20, 30]
2  total = 0
3
4  for score in scores:
5      # (code WILL go here)
6  # ...

Which of the following options is the correct missing code?

a) 5 total = total + scores[score] 6 print('Total:', total)
b) 5 total = total + score 6 print('Total:', total)
c) 5 print('Total:', total) 6 total = total + score
d) 5 total = score 6 print('Total:', total)

7. What will be the output of the program after the following code fragment is executed?

1  colors = ['red', 'blue', 'green']
2  positions = [0, 2, 1]
3  for color in colors:
4      for pos in positions:
5          print(color[pos], end=' ')
6      print()

a) r d e
b u l
g e r

b) r e d
b l u
g r e

c) d e r
l u b
e r g

d) e r d
u b l
r g e

8. Consider the code fragment below. It has a missing piece of code indicated by XXXXX. The program checks if a number is divisible by either 5 or 7, and prints “Divisible by 5 or 7.” if it is.

number = int(input("Enter a number: "))
while XXXXX:
    print("Divisible by 5 or 7.")
    number = int(input("Enter another number: "))

Which of the following is the correct completion of the while loop?

a) number % 5 == 0 or number % 7 == 0
b) number % 5, 7 == 0
c) number % 5 == 7 or number % 7 == 5
d) number % 0 == 5 or number % 0 == 7

9. What will be the output of the program after the following code fragment is executed?

1  limit = 3
2  n = 27
3
4  while n > limit:
5      print(n, end=' ')
6      n = n // 3
7
8  print(n, end=' ')

a) 27 9 3
b) 27 9 3 1
c) 9 3 1
d) 9 3

10. What will be the output of the program after the following code fragment is executed?

1  names = ['A', 'L', 'I', 'C', 'E']
2  for i in range(5):
3      print(names[4 - i], end=' ')

a) E C I L A
b) A L I C
c) It will print an IndexError
d) A L I C E

Section 3: Functions (Q11-15)

11. If the missing lines are correctly filled in, the program should define a function named create_label that returns a formatted label with a given product and quantity. The main() function will use the create_label function to get the label and print it. Below is the output of the program:

Product: Laptop - Quantity: 5

1  def # (code WILL go here):
2      label = f'Product: {product} - Quantity: {qty}'
3      # (code MAY go here)
4
5  def main():
6      product = 'Laptop'
7      amount = 5
8      result = create_label(product, amount)
9      print(result)
10
11 main()

Which of the following options is the correct missing code?

a) 1 def create_label(product: str, amount: int): 3 return label
b) 1 def create_label(product: str, qty: int): 3 return label
c) 1 def create_label(name: str, amount: int): 3 # no code
d) 1 def create_label(product: str, qty: int): 3 print(label)

12. A function named generate_code has already been defined in the program. The function has the following signature:

generate_code(prefix: str, number: int) -> str:

The program should ask the user for a prefix and number, then use the generate_code function to create the formatted code from that input.

# generate_code defined above
11 def main():
12     prefix = input('Enter prefix: ')
13     number = input('Enter number: ')
14     # (code WILL go here)
15     print(code)
16
17 main()

Which of the following options is the correct missing code on line 14?

a) 14 code = generate_code("PRE", 12345)
b) 14 code = generate_code(prefix, int(number))
c) 14 code = generate_code(prefix, number)
d) 14 generate_code(code)

13. What will be the output of the program after the following code fragment is executed?

def add_five(num: int):
    result = num + 5
    return result

def multiply_three(num: int):
    result = num * 3
    return result - 2

def main():
    a = 5
    b = 10
    print(add_five(a), end=' ')
    print(multiply_three(b), end=' ')
    print(a, end=' ')
    print(b)

main()

a) 10 28 5 10
b) 10 28 10 28
c) 5 10 5 10
d) 5 10 10 28

14. What will be the output of the program after the following code fragment is executed?

def convert_upper(text: str):
    print(text.upper())

def convert_lower(message: str):
    text = message
    print(text.lower())

def main():
    text = 'Hello WORLD'
    convert_lower('PYTHON ROCKS')
    convert_upper(text)

main()

a) HELLO WORLD
hello world

b) python rocks
HELLO WORLD

c) Hello World
PYTHON ROCKS
hello world

d) PYTHON ROCKS
python rocks

15. What will be the output of the program after the following code fragment is executed?

def check_score(points: int):
    if points == 100:
        return 'Perfect score!'
    elif points >= 80:
        return 'Great job!'
    elif points >= 50:
        return 'Keep trying!'
    else:
        return 'Need more practice.'

print(check_score(100))
print(check_score(75))
print(check_score(90))

a) Perfect score!
Keep trying!
Great job!

b) Perfect score!
Great job!
Great job!

c) Perfect score!
Keep trying!
Keep trying!

d) Great job!
Great job!
Great job!

Section 4: Testing/Debugging (Q16-20)

16. Which of the following inputs would cause an error to be thrown in the code below?

values = ####
result = 0
for i in range(0, 3):
    idx = values[i]
    result += values[idx - 1]

a) No error will be thrown
b) values = [1, 2, 3, 4]
c) values = [3, 2, 1, 0]
d) values = [0, 1, 2, 3]

17. You’re writing a program to categorize students based on age. You’d like to group them as follows:

• child: 12 years or younger
• teen: Between 12 and 18 years, exclusive
• adult: 18 years or older

Which of the following sets of values, representing ages, would be most useful for testing your program?

a) [5, 15, 25, 35]
b) [0, 12, 15, 18]
c) [10, 14, 20, 30]
d) [11, 17, 19, 25]

18. Which line of code would cause an error to be thrown when this script is executed with the following inputs in this order: Alice, 999

1  name = input("Please enter your name: ")
2  code = input("Please enter a code: ")
3  merged = name + code
4  merged = merged * 2
5  target_char = merged[15]
6  print(target_char)

a) 5
b) 2
c) 3
d) 4

19. You’re writing a function to categorize students based on age. It should return a category based on the following (assume all ages are positive integers):

• child: 12 years or younger
• teen: Between 12 and 18 years, exclusive
• adult: 18 years or older

Which of the following implementations would have a logic error, based on the above problem description?

a)

def age_group(age):
    category = "child"
    if age >= 18:
        category = "adult"
    if age > 12:
        category = "teen"
    return category

b)

def age_group(age):
    if age <= 12:
        return "child"
    elif age < 18:
        return "teen"
    else:
        return "adult"

c)

def age_group(age):
    if age <= 12:
        return "child"
    if age < 18:
        return "teen"
    return "adult"

d)

def age_group(age):
    if age >= 18:
        category = "adult"
    elif age > 12:
        category = "teen"
    else:
        category = "child"
    return category

20. Which of the following lines of code will run but then give a runtime error?

a) nums = [1, 3, 5]
print(nums[nums[0]])

b) nums = [1, 3, 5]
print(nums[nums[1]])

c) nums = [1, 3, 5]
print(nums[nums[2]])

d) They will all give a runtime error.

Python Foundation Test - Multiple Choice Questions (Advanced)

Section 1: Basics (Q1-5)

1. What will be the output of the following code?

x = "123"
y = "456"
z = x + y
print(z[2:5])

a) 345
b) 234
c) 456
d) 3456

2. Which of the following statements about Python variables and types is TRUE?

a) Type hints in Python enforce type checking at runtime and will raise errors if violated
b) Variables declared with type hints cannot be reassigned to values of different types
c) The expression x: int = "hello" will cause a syntax error
d) Type hints are optional annotations that don’t affect runtime behavior

3. What will be the output of the following code?

a = 10
b = 3
result = a // b + a % b * 2
print(result)

a) 5
b) 7
c) 9
d) 11

4. What will be the output of the following code?

text = "Python"
print(text[-2:] + text[:2])

a) onPy
b) Pyon
c) thonPy
d) Pyth

5. Which of the following expressions evaluates to True?

a) "abc" * 2 == "abcabc"
b) "5" + "3" == 8
c) len("hello") == 4
d) "Python"[0] == "p"

Section 2: Flow Control (Q6-10)

6. What will be the output of the following code?

numbers = [1, 2, 3, 4, 5]
count = 0
for num in numbers:
    if num % 2 == 0:
        count += num
    else:
        count += 1
print(count)

a) 3
b) 9
c) 10
d) 15

7. What will be the output of the following nested loop?

result = ""
for i in range(1, 4):
    for j in range(i):
        result += str(i)
print(result)

a) 123
b) 122333
c) 111222333
d) 112233

8. Consider the following code. What value of x would cause the loop to execute exactly 3 times?

x = ####
count = 0
while x > 5:
    x = x - 3
    count += 1
print(count)

a) 11
b) 12
c) 13
d) 14

9. What will be the output of the following code?

data = [10, 20, 30, 40]
total = 0
for i in range(len(data)):
    if i % 2 == 0:
        total += data[i]
    else:
        total -= data[i]
print(total)

a) 0
b) -20
c) 40
d) 100

10. What will be the output of the following code?

word = "PROGRAM"
output = ""
for i in range(0, len(word), 2):
    output += word[i]
print(output)

a) PORM
b) PORA
c) PRGA
d) POGM

Section 3: Functions (Q11-15)

11. What will be the output of the following code?

def modify_list(items: list):
    items.append(100)
    items = [1, 2, 3]
    items.append(200)

def main():
    my_list = [10, 20]
    modify_list(my_list)
    print(my_list)

main()

a) [10, 20]
b) [10, 20, 100]
c) [1, 2, 3, 200]
d) [10, 20, 100, 200]

12. What will be the output of the following code?

def calculate(a: int, b: int) -> int:
    if a > b:
        return a - b
    elif a < b:
        return b - a
    return a + b

def main():
    x = 5
    y = 8
    result = calculate(y, x) + calculate(x, y)
    print(result)

main()

a) 0
b) 3
c) 6
d) 13

13. Consider the following code. What will be printed?

def process_text(text: str, repeat: int = 2) -> str:
    return text.upper() * repeat

def main():
    print(process_text("hi", 3))
    print(process_text("bye"))

main()

a) HIHIHI
BYEBYE

b) hihihi
byebye

c) HI HI HI
BYE BYE

d) HIHIHI
BYE

14. What will be the output of the following code?

def mystery(n: int) -> int:
    if n <= 1:
        return 1
    return n + mystery(n - 2)

print(mystery(5))

a) 5
b) 9
c) 15
d) The function will cause infinite recursion

15. What will be the output of the following code?

def transform(values: list) -> list:
    result = []
    for val in values:
        if val > 10:
            result.append(val * 2)
        else:
            result.append(val)
    return result

def main():
    nums = [5, 15, 8, 20]
    new_nums = transform(nums)
    print(len(new_nums), sum(new_nums))

main()

a) 4 48
b) 4 83
c) 2 70
d) 4 70

Section 4: Testing/Debugging (Q16-20)

16. Which of the following test cases would be MOST effective at detecting a boundary error in a function that categorizes temperature as “cold” (below 10), “mild” (10-25), or “hot” (above 25)?

a) [0, 15, 30]
b) [5, 20, 35]
c) [9, 10, 25, 26]
d) [-10, 18, 40]

17. Consider the following function that should return the largest number in a list:

def find_max(numbers: list) -> int:
    max_val = 0
    for num in numbers:
        if num > max_val:
            max_val = num
    return max_val

Which input would reveal a bug in this implementation?

a) [1, 2, 3, 4, 5]
b) [10, 20, 5, 15]
c) [-5, -2, -8, -1]
d) [0, 0, 0, 0]

18. What type of error will occur when the following code is executed?

def calculate_average(scores: list) -> float:
    total = sum(scores)
    return total / len(scores)

grades = []
result = calculate_average(grades)
print(result)

a) Syntax error
b) Type error
c) ZeroDivisionError
d) IndexError

19. A programmer writes the following function to check if a string is a palindrome (reads the same forwards and backwards):

def is_palindrome(text: str) -> bool:
    reversed_text = ""
    for i in range(len(text)):
        reversed_text = text[i] + reversed_text
    return text == reversed_text

Which of the following test cases would FAIL with this implementation?

a) is_palindrome("racecar")
b) is_palindrome("Racecar")
c) is_palindrome("hello")
d) is_palindrome("noon")

20. Consider the following code that attempts to find the index of a target value in a list:

def find_index(items: list, target) -> int:
    for i in range(len(items)):
        if items[i] == target:
            return i
    return -1

numbers = [10, 20, 30, 40, 50]
position = find_index(numbers, 60)
result = numbers[position]
print(result)

What will happen when this code is executed?

a) It will print -1
b) It will print 60
c) It will raise an IndexError
d) It will print 50

我会根据原始文件的考试结构，创建更多关于错误和调试的题目，保持相似的难度水平。

Python Foundation Test - Error & Debugging Focus

Section 1: Basics (Q1-5)

1. Which of the following code snippets will cause a TypeError?

a) print("Score: " + str(85))
b) print("Score: " + 85)
c) print("Score:", 85)
d) print(f"Score: {85}")

2. What error will occur when executing the following code?

name = "Alice"
age = 25
message = name + age
print(message)

a) SyntaxError
b) TypeError
c) ValueError
d) NameError

3. Which line will cause an error in the following code?

1  text = "Python"
2  print(text[0])
3  print(text[6])
4  print(text[-1])

a) Line 1
b) Line 2
c) Line 3
d) Line 4

4. What will happen when the following code is executed?

numbers = [10, 20, 30]
print(numbers[3])

a) It will print 30
b) It will print None
c) It will raise an IndexError
d) It will print an empty value

5. Which of the following will NOT cause an error?

a) result = 10 / 0
b) result = 10 // 0
c) result = 10 % 0
d) result = 10 ** 0

Section 2: Flow Control (Q6-10)

6. What error will occur when the following code is executed?

colors = ["red", "blue", "green"]
for i in range(5):
    print(colors[i])

a) No error will occur
b) IndexError on the 4th iteration
c) IndexError on the 5th iteration
d) TypeError

7. Which input would cause an error in the following code?

user_input = input("Enter a number: ")
number = int(user_input)
result = 100 / number
print(result)

a) “50”
b) “0”
c) “10”
d) “25”

8. Consider the following code. Which value of data will cause an error?

data = ####
total = 0
for item in data:
    total += item
print(total)

a) data = [1, 2, 3, 4]
b) data = [10, 20, 30]
c) data = [5, "10", 15]
d) data = []

9. What will happen when the following code is executed with the input “abc”?

value = input("Enter a number: ")
number = int(value)
if number > 10:
    print("Large")
else:
    print("Small")

a) It will print “Small”
b) It will print “Large”
c) It will raise a ValueError
d) It will raise a TypeError

10. Which of the following code snippets will cause an error?

a)

count = 0
while count < 3:
    print(count)
    count += 1

b)

items = [1, 2, 3]
for item in items:
    print(item * 2)

c)

numbers = [5, 10, 15]
for i in range(len(numbers) + 1):
    print(numbers[i])

d)

x = 10
while x > 0:
    print(x)
    x -= 2

Section 3: Functions (Q11-15)

11. What error will occur when the following code is executed?

def greet(name):
    message = "Hello, " + name
    return message

def main():
    greet("Alice")
    print(message)

main()

a) SyntaxError
b) NameError
c) TypeError
d) No error

12. Which function call will cause an error?

def calculate(x: int, y: int) -> int:
    return x + y

def main():
    # Which of these will cause an error?
    pass

a) result = calculate(5, 10)
b) result = calculate(5)
c) result = calculate(5, 10, 15)
d) Both b and c will cause errors

13. What will happen when the following code is executed?

def process_data(values):
    return values[0] + values[-1]

def main():
    data = []
    result = process_data(data)
    print(result)

main()

a) It will print 0
b) It will print None
c) It will raise an IndexError
d) It will raise a TypeError

14. Which of the following function definitions will cause a SyntaxError?

a)

def add_numbers(a, b):
    return a + b

b)

def multiply(x, y)
    return x * y

c)

def subtract(a: int, b: int) -> int:
    return a - b

d)

def divide(x, y):
    result = x / y
    return result

15. What error will occur when the following code is executed?

def get_first_item(items: list):
    return items[0]

def main():
    my_list = None
    first = get_first_item(my_list)
    print(first)

main()

a) IndexError
b) TypeError
c) ValueError
d) NameError

Section 4: Testing/Debugging (Q16-20)

16. A function is supposed to return the average of numbers in a list. Which test input would most likely reveal a division by zero error?

def calculate_average(numbers: list) -> float:
    total = sum(numbers)
    return total / len(numbers)

a) [10, 20, 30]
b) []
c) [0, 0, 0]
d) [5]

17. Consider the following code that processes user scores:

scores = [85, 92, 78, 95]
index = int(input("Enter index (0-3): "))
print("Score:", scores[index])

Which user input would cause an IndexError?

a) 0
b) 2
c) 3
d) 4

18. A programmer writes the following code to find the maximum value in a list:

def find_max(numbers: list) -> int:
    max_value = numbers[0]
    for num in numbers:
        if num > max_value:
            max_value = num
    return max_value

result = find_max([])
print(result)

What error will occur?

a) ValueError
b) IndexError
c) TypeError
d) No error, it will print None

19. Which line will cause an error when this code is executed?

1  def calculate(a, b):
2      result = a / b
3      return result
4
5  def main():
6      x = 10
7      y = 0
8      answer = calculate(x, y)
9      print(answer)
10
11 main()

a) Line 2
b) Line 7
c) Line 8
d) Line 9

20. Consider the following code:

def process_string(text: str) -> str:
    return text.upper()

def main():
    data = ["hello", "world", 123]
    for item in data:
        print(process_string(item))

main()

What will happen when this code is executed?

a) It will print all items in uppercase
b) It will raise a TypeError on the first iteration
c) It will raise a TypeError on the third iteration
d) It will raise an AttributeError on the third iteration

Python Foundation Test - Functions Focus

Section 3: Functions

11. Which of the following function definitions has a SYNTAX ERROR?

a)

def calculate_total(price, quantity):
    total = price * quantity
    return total

b)

def calculate_total(price: float, quantity: int)
    total = price * quantity
    return total

c)

def calculate_total(price: float, quantity: int) -> float:
    total = price * quantity
    return total

d)

def calculate_total(price, quantity):
    return price * quantity

12. Consider the following function. What will be printed when main() is called?

def add_numbers(a: int, b: int):
    result = a + b
    print(result)

def main():
    answer = add_numbers(5, 10)
    print(answer)

main()

a) 15
b) 15
None

c) None
d) 15
15

13. Which of the following function calls will cause an error?

def greet(name: str, age: int) -> str:
    return f"Hello {name}, you are {age} years old."

# Which call will cause an error?

a) greet("Alice", 25)
b) greet(name="Bob", age=30)
c) greet("Charlie")
d) greet(age=20, name="David")

14. What will be the output of the following code?

def modify_value(x: int):
    x = x + 10
    return x

def main():
    num = 5
    modify_value(num)
    print(num)

main()

a) 5
b) 10
c) 15
d) None

15. Which of the following function definitions is CORRECT for a function that should take two parameters width and height, and return their product?

a)

def calculate_area(width, height):
    area = width * height
    print(area)

b)

def calculate_area(width, height):
    return width * height

c)

def calculate_area(width, height) -> int:
    area = width * height

d)

def calculate_area():
    return width * height

16. What will be the output of the following code?

def process(value: int) -> int:
    value = value * 2
    print(value)
    return value

def main():
    x = 10
    result = process(x)
    print(result)

main()

a) 20
b) 20
20

c) 10
20

d) 20
10

17. Which of the following function calls matches the function definition correctly?

def create_message(greeting: str, name: str, punctuation: str) -> str:
    return greeting + " " + name + punctuation

a) create_message("Hello", "Alice")
b) create_message("Hello", "Alice", "!")
c) create_message(greeting="Hello")
d) create_message("Hello", "Alice", "!", "Extra")

18. What will be the output of the following code?

def calculate(a: int, b: int):
    result = a + b
    return result
    print(result)

def main():
    answer = calculate(3, 7)
    print(answer)

main()

a) 10
10

b) 10
c) None
d) Error

19. Consider the following code. What is the problem?

def get_discount(price: float, rate: float) -> float:
    discount = price * rate
    print(f"Discount: {discount}")

def main():
    original_price = 100
    discount_rate = 0.2
    saved = get_discount(original_price, discount_rate)
    final_price = original_price - saved
    print(f"Final price: {final_price}")

main()

a) The function has incorrect parameter names
b) The function prints instead of returning the discount value
c) The function has incorrect type hints
d) The function call has wrong arguments

20. What will be the output of the following code?

def multiply(x: int, y: int) -> int:
    print(x * y)

def main():
    result = multiply(4, 5)
    print(f"Result: {result}")

main()

a) 20
Result: 20

b) Result: 20
c) 20
Result: None

d) Result: None

21. Which of the following function definitions has the parameters in the WRONG order for this function call to work: format_name(first="John", last="Smith")?

a) def format_name(first: str, last: str) -> str:
b) def format_name(last: str, first: str) -> str:
c) def format_name(first, last):
d) All of them would work

22. What will be the output of the following code?

def calculate_sum(numbers: list) -> int:
    total = 0
    for num in numbers:
        total += num
    return total
    return total * 2

def main():
    values = [1, 2, 3, 4]
    result = calculate_sum(values)
    print(result)

main()

a) 10
b) 20
c) 10
20

d) Error

23. Which function definition correctly accepts a parameter called student_name and returns a greeting message?

a)

def greet(name: str) -> str:
    return f"Welcome, {student_name}!"

b)

def greet(student_name: str) -> str:
    return f"Welcome, {student_name}!"

c)

def greet(student_name: str):
    print(f"Welcome, {student_name}!")

d)

def greet() -> str:
    return f"Welcome, {student_name}!"

24. What will happen when the following code is executed?

def divide(a: int, b: int) -> float:
    result = a / b

def main():
    x = 10
    y = 2
    answer = divide(x, y)
    print(answer)

main()

a) It will print 5.0
b) It will print None
c) It will print 5
d) It will cause an error

25. Consider the following two functions. What is the key difference in their behavior?

def function_a(value: int) -> int:
    result = value * 2
    return result

def function_b(value: int):
    result = value * 2
    print(result)

a) function_a returns a value that can be used later; function_b only displays output
b) function_a is faster than function_b
c) function_b is more efficient than function_a
d) There is no practical difference

26. What will be the output of the following code?

def process_data(data: list):
    data.append(100)
    print(data)

def main():
    my_data = [10, 20, 30]
    process_data(my_data)
    print(my_data)

main()

a) [10, 20, 30, 100]
[10, 20, 30]

b) [10, 20, 30]
[10, 20, 30, 100]

c) [10, 20, 30, 100]
[10, 20, 30, 100]

d) [10, 20, 30]
[10, 20, 30]

27. Which function call will cause a TypeError?

def calculate_area(length: int, width: int) -> int:
    return length * width

a) calculate_area(5, 10)
b) calculate_area(length=5, width=10)
c) calculate_area(5, width=10)
d) calculate_area(5, 10, 15)

28. What will be the output of the following code?

def get_message(name: str) -> str:
    message = f"Hello, {name}!"
    print(message)
    return message

def main():
    result = get_message("Alice")
    print(result)

main()

a) Hello, Alice!
b) Hello, Alice!
Hello, Alice!

c) None
d) Error

29. Which of the following is the CORRECT way to define a function that takes no parameters and returns nothing?

a)

def display_menu():
    print("1. Option A")
    print("2. Option B")

b)

def display_menu() -> None:
    print("1. Option A")
    print("2. Option B")

c)

def display_menu():
    print("1. Option A")
    print("2. Option B")
    return None

d) All of the above are correct

30. What will be the output of the following code?

def calculate(x: int, y: int) -> int:
    return x + y
    x = x * 2
    return x + y

def main():
    result = calculate(5, 3)
    print(result)

main()

a) 8
b) 13
c) 16
d) Error

Python Foundation Test - Loops Focus

Section 2: Flow Control - Loops (Q6-10 + Extended)

6. What will be the output of the following code?

for i in range(3):
    print(i)

a) 0 1 2
b) 1 2 3
c) 0 1 2 3
d) 1 2

7. What will be the output of the following code?

count = 0
for i in range(5):
    count += 1
print(count)

a) 4
b) 5
c) 6
d) 0

8. Which of the following will cause an INFINITE LOOP?

a)

x = 10
while x > 0:
    print(x)
    x -= 1

b)

x = 0
while x < 5:
    print(x)
    x += 1

c)

x = 10
while x > 0:
    print(x)

d)

for i in range(10):
    print(i)

9. What will be the output of the following code?

numbers = [10, 20, 30]
for i in range(len(numbers)):
    print(numbers[i])

a) 0 1 2
b) 10 20 30
c) 1 2 3
d) Error

10. What will be the output of the following code?

total = 0
for i in range(1, 4):
    total += i
print(total)

a) 3
b) 6
c) 10
d) 4

11. Which of the following code snippets will print the numbers 2, 4, 6, 8, 10?

a)

for i in range(2, 11, 2):
    print(i)

b)

for i in range(2, 10, 2):
    print(i)

c)

for i in range(1, 6):
    print(i * 2)

d) Both a and c

12. What will be the output of the following code?

x = 5
while x > 0:
    print(x)
    x -= 2

a) 5 3 1
b) 5 4 3 2 1
c) 5 3 1 -1
d) 4 2 0

13. What is wrong with the following code?

colors = ["red", "blue", "green"]
for i in range(5):
    print(colors[i])

a) The range should be range(3)
b) The loop will cause an IndexError
c) The variable name should be ‘color’ not ‘i’
d) Both a and b are correct

14. What will be the output of the following code?

for i in range(3):
    for j in range(2):
        print(i, j)

a) 0 0
0 1
1 0
1 1
2 0
2 1

b) 0 1 2
0 1

c) 0 0
1 1
2 2

d) 3 2

15. What will be the output of the following code?

count = 0
while count < 3:
    print(count)
    count += 1
print("Done")

a) 0 1 2
b) 0 1 2 Done
c) 0
1
2
Done

d) 1 2 3 Done

16. Which of the following will print “Hello” exactly 4 times?

a)

for i in range(4):
    print("Hello")

b)

for i in range(1, 5):
    print("Hello")

c)

count = 0
while count < 4:
    print("Hello")
    count += 1

d) All of the above

17. What will be the output of the following code?

numbers = [5, 10, 15, 20]
for num in numbers:
    if num > 12:
        print(num)

a) 5 10 15 20
b) 15 20
c) 10 15 20
d) 20

18. What is the problem with the following code?

x = 10
while x < 20:
    print(x)

a) The condition should be x <= 20
b) The loop will never execute
c) The loop will run infinitely
d) The variable x should be initialized to 0

19. What will be the output of the following code?

result = ""
for i in range(3):
    result += str(i)
print(result)

a) 0 1 2
b) 012
c) 123
d) 3

20. What will be the output of the following code?

count = 1
while count <= 3:
    print(count)
    count += 1

a) 0 1 2
b) 1 2 3
c) 1 2 3 4
d) 2 3 4

21. Which of the following loops will execute ZERO times?

a)

for i in range(0):
    print(i)

b)

for i in range(1, 1):
    print(i)

c)

x = 5
while x < 5:
    print(x)
    x += 1

d) All of the above

22. What will be the output of the following code?

numbers = [1, 2, 3, 4, 5]
for i in range(len(numbers)):
    numbers[i] = numbers[i] * 2
print(numbers)

a) [1, 2, 3, 4, 5]
b) [2, 4, 6, 8, 10]
c) [1, 4, 9, 16, 25]
d) Error

23. What will be the output of the following code?

for i in range(5, 2, -1):
    print(i)

a) 5 4 3
b) 5 4 3 2
c) 2 3 4 5
d) 3 4 5

24. What is wrong with the following code?

total = 0
for i in range(10)
    total += i
print(total)

a) Missing colon after range(10)
b) The variable ‘total’ should not be initialized
c) The range should start from 1
d) Nothing is wrong

25. What will be the output of the following code?

x = 0
while x < 5:
    x += 1
    if x == 3:
        continue
    print(x)

a) 1 2 3 4 5
b) 1 2 4 5
c) 0 1 2 4 5
d) 1 2 3 4

26. What will be the output of the following code?

for i in range(2, 8, 3):
    print(i)

a) 2 5
b) 2 5 8
c) 2 3 4 5 6 7
d) 3 6

27. Which of the following will cause an error?

a)

for i in range(10):
    print(i)

b)

for i in range(1, 10):
    print(i)

c)

for i in range(10, 1):
    print(i)

d) None of them will cause an error

28. What will be the output of the following code?

count = 0
for i in range(3):
    for j in range(2):
        count += 1
print(count)

a) 3
b) 5
c) 6
d) 2

29. What will be the output of the following code?

numbers = [10, 20, 30, 40]
for i in range(0, len(numbers), 2):
    print(numbers[i])

a) 10 20 30 40
b) 10 30
c) 20 40
d) 0 2

30. What will happen when the following code is executed?

x = 5
while x > 0:
    print(x)
    if x == 3:
        break
    x -= 1

a) It will print 5 4 3
b) It will print 5 4 3 2 1
c) It will print 5 4
d) It will cause an infinite loop

31. What will be the output of the following code?

text = "Python"
for char in text:
    print(char)

a) Python
b) P y t h o n
c) P
y
t
h
o
n

d) 0 1 2 3 4 5

32. Which of the following correctly iterates through a list backwards?

numbers = [1, 2, 3, 4, 5]

a)

for i in range(len(numbers), 0, -1):
    print(numbers[i])

b)

for i in range(len(numbers) - 1, -1, -1):
    print(numbers[i])

c)

for i in range(5, 0, -1):
    print(numbers[i])

d)

for num in numbers:
    print(num)

33. What will be the output of the following code?

sum_value = 0
for i in range(1, 6):
    if i % 2 == 0:
        sum_value += i
print(sum_value)

a) 6
b) 12
c) 15
d) 9

34. What is the problem with the following code?

items = ["apple", "banana", "cherry"]
i = 0
while i < len(items):
    print(items[i])

a) The loop will cause an IndexError
b) The loop will run infinitely
c) The variable ‘i’ is not incremented
d) Both b and c are correct

35. What will be the output of the following code?

for i in range(3):
    print(i, end=" ")
print()

a) 0 1 2
b) 0
1
2

c) 012
d) 1 2 3

最后更新 · 2026-05-19 23:52