Python Practice Quiz - 1

Answer all questions and submit to see your score.

1 Single Answer

What is a variable in Python?

A named storage location that holds a value - type is inferred automatically Only stores integers and strings Must be declared before use with a var keyword A fixed memory address you declare with a type

2 Single Answer

What will this print? x = 10 y = "10" print(type(x), type(y))

x is a string, y is an integer - quotes always win Both x and y are integers - Python converts automatically x is an integer, y is a string - no quotes = int, quotes = str Both x and y are strings - all values stored as text by default

3 Single Answer

What is the difference between / and // in Python?

/ and // both return integers / always returns a float; // is floor division (rounds down, returns int) // always returns a float; / returns an int They are identical

4 Single Answer

What does 17 % 5 return and why?

3 - it returns the quotient 3.4 - it returns the float result 2 - it returns the remainder after division 0 - 17 is divisible by 5

5 Single Answer

When do you use elif instead of a new if?

Always - elif is faster than if When only one condition should be true at a time (mutually exclusive checks) When you want all conditions to be checked regardless elif and if behave identically

6 Single Answer

What will this print? marks = 72 if marks >= 90: print("A") elif marks >= 70: print("B") else: print("C")

A B C A and B both should print

7 Single Answer

What is the difference between a for loop and a while loop?

for loops are faster than while loops while loops can only be used with numbers for = known iteration; while = repeat until a condition becomes false They are interchangeble with no practical difference

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