Python (IST 261)

Which mode is used to run a complete Python script saved in a file?

• Interactive / REPL mode

• Debugging mode

• Script mode

• Compilation mode

What will be the value of variable y in the following code?

• 2

• 7

• Error: x cannot be reassigned

• None

Which of these is a Pthon keyword?

• while

• output

• calculate

• result

What does the following code do?

score = 50

score = score + 10

• Creates a new variable with the value 10

• Adds 10 to the variable score and stores the result back in score

• Error: Invalid operation

• Both a and b

Which of the following variable names is NOT allowed in Python?

• my_name

• score$

• userName

• 5th_place

What will be the value of variable y in the following code?

x = 2

y = x

x = 7

• 2

• 7

• Error: x cannot be reassigned

• None

Which of these is a Python keyword?

• while

• output

• calculate

• result

Which of the following variable assignments is invalid in Python?

• age = 21

• height = 8

• is_student = True

• continue = 1

Which of the following are true about Python variables?

• Variables in Python must be declared with a specific type

• Variable names can include letters, numbers, and underscores, but cannot start with a number

• Python variables are case-sensitive

• You must assign a value to a variable before using it in Python

Which of the following are valid ways to declare a variable in Python?

• x = 10

• 10 = x

• x = "Hello"

• int x = 10