Python Review 1

What does the print() function do in Python?

• Shows output on the screen
• Makes a mistake in the program
• Takes input from the user
• Runs a math calculation

Answer explanation

print() shows the output on the screen.

Which of the following is the correct way to start an if statement in Python?

• if condition:
• if condition then:
• if condition

• if then condition:

Answer explanation

In Python, if condition: is the correct syntax.

What will this code print? if 5 > 3: print("Yes")

• Yes
• No
• 5
• Syntax Error

Answer explanation

The condition 5 > 3 is true, so it will print "Yes".

What is the output of the following code? print("Hello")

• Hello
• "Hello"
• Syntax Error
• None

Answer explanation

The print() function outputs "Hello".

What is the output of the following code? x = 5; print(x == 5)

• True
• False
• None
• Error

Answer explanation

x == 5 is true, so the output will be True.

Which of the following is the correct syntax for an if-else statement in Python?

• if condition: else:
• if condition: elif condition: else:
• if condition then: else:
• if condition: else condition:

Answer explanation

The correct syntax is if condition: elif condition: else:.

What type of error is caused by incorrect indentation in Python?

• Syntax Error
• Runtime Error
• Logical Error
• IndentationError

Answer explanation

Incorrect indentation causes a Syntax Error in Python.

What is the result of the following code? print(5 / 2)

• 2
• 2.5
• 3
• 2

Answer explanation

Division in Python 3 results in a float, so the output is 2.5.

What does the input() function do in Python?

• Prints output to the screen
• Reads input from the user
• Creates a variable
• Declares a function

Answer explanation

The input() function gets input from the user.

What type of error occurs if you try to use a variable that hasn’t been defined yet?

• Syntax Error
• NameError
• Logical Error
• Runtime Error

Answer explanation

Trying to use an undefined variable causes a NameError.