Python Loops

What is the purpose of a while loop in Python?

• The purpose of a while loop in Python is to execute a block of code only once.

• The purpose of a while loop in Python is to execute a block of code in a random order.

• The purpose of a while loop in Python is to repeatedly execute a block of code until a certain condition is false.

• The purpose of a while loop in Python is to repeatedly execute a block of code as long as a certain condition is true.

What is the syntax of a while loop in Python?

• while (condition) { // code to be executed }

• while (condition) { /* code to be executed */ }

• while (condition) { // code to be executed } // end while loop

• while condition: # code to be executed

How do you use a while loop to iterate in Python?

• Use a break statement to exit the loop.

• Use a for loop instead of a while loop.

• Specify a condition and update it inside the loop to control the iteration.

• Use a continue statement to skip the current iteration.

What is the purpose of a for loop in Python?

• To iterate over a sequence and execute a block of code for each item in the sequence.

• To skip over items in a sequence

• To create a sequence of numbers

• To execute a block of code only once

What is the syntax of a for loop in Python?

• for item in iterable: # code to be executed

• for i in range(n): # code to be executed

• for item in iterable: # code to be executed

• for element in list: # code to be executed

How do you iterate over a range of numbers using a for loop in Python?

• By using the repeat() function and a for loop.

• By using the while loop and a counter variable.

• By using the range() function and a for loop.

• By using the for loop and a list of numbers.

What is the output of the following code? x = 1 while x < 5: print(x) x += 1

• 1 2 3 4

• 1 2 3 6

• 1 2 3 5

• 1 2 3 7

What is the output of the following code? for i in range(3): print(i)

• 0 1 2

• 1 2

• 1 2 3

• 0 1 3

What is the output of the following code? x = 5 while x > 0: print(x) x -= 1

• 1 2 3

• 1 2 3 4

• 5 4 3 2 1

• 1 2 3 4 5

What is the output of the following code? for i in range(1, 4): print(i)

• 1 2 6

• 1 2 4

• 1 2 3

• 1 2 5