1) How do you evaluate an expression in Python? a) Type 'evaluate' first b) Break it into pieces c) Type after >>> prompt d) Use a calculator 2) Which expression multiplies two numbers? a) 4 + 7 b) 4 x 7 c) 4 # 7 d) 4 * 7 3) Evaluate: 3 * 4 * 2 + 8 a) 24 b) 32 c) 40 d) 120 4) Which statement about variables is correct? a) Value never changes b) Must be lowercase c) Must start at zero d) Can hold Booleans 5) What is the purpose of a variable? a) Change future programs b) Combine numbers c) Remember values for later d) Indent source code 6) Which statement initializes a variable? a) Initialise() b) x = 3 c) start() d) finish() 7) If length = 200 and then length = 400 is run: a) Error message b) Error (can't change) c) Value becomes 400 d) Value becomes 600 8) In Python, the input() function: a) Uses a USB key b) Makes input faster c) Returns a string d) Must be called first 9) In Python, the print() function: a) Changes data type b) Displays a result c) Is the last command d) Must be called first 10) A data type with only two values is: a) Integer b) Float c) String d) Boolean

Python Basics Quiz

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