python chapter 2 quiz

What is a variable in Python?

• A named item that holds a value

• A sequence of letters and digits

• A reserved word

• A type of function

What does it mean that Python is case sensitive?

• Uppercase and lowercase letters are treated the same

• Uppercase and lowercase letters are different

• Only uppercase letters are allowed

• Only lowercase letters are allowed

What should be done when using acronyms in CapWords?

• Capitalize all the letters of the acronym

• Use lowercase letters for the acronym

• Use underscores between letters of the acronym

• Avoid using acronyms

What does the term "mutability" indicate in Python?

• Whether an object's value can be changed

• The type of an object

• The identity of an object

• The memory address of an object

Which of the following is a correct floating-point literal in Python?

• 1.0

• "1.0"

• 1

• True

What is an operator in Python?

• A symbol that performs a built-in calculation

• A specific value in code

• A variable name

• A function name

Which direction is used for evaluating expressions with operators of equal precedence?

• Right-to-left

• Left-to-right

• Top-to-bottom

• Bottom-to-top

What is the result of the floor division 5.0 // 2?

• 2.5

• 2.0

• 2

• 1.5

What is the result of -9 % 5 in Python?

• 4

• 1

• 0

• -4

What is the purpose of the 'def' keyword in Python?

• To define a new variable

• To define a new function

• To delete a variable

• To define a new class