COMP I77 Module 2 Quiz

A is a named item used to hold a value.

• constant

• number

• statement

• variable

Which of the following statements has a syntax error? Assume age and years are variables that have already been defined.

• age = years - 2

• age + 2 = years

• age = 17 - 2

• age = -15

What is the value of y after the following code is executed? Note that the question asks for y, not x.

X=10

y= x+2

x = 12

• 8

• 10

• 12

• 14

Which of the following symbols can be used as part of an identifier?

• @

• $

• &

• (underscore)

A is a word that is part of the Python language and can't be used as a variable name.

• keyword
• special token

• syntax symbol

• stylized word

is the process where objects that are no longer needed are deleted.

• Identity recycling

• Memory clearing

• Garbage collection
• Object recycling

Objects like integers and strings that can't be modified are called _____.

• immutable

• mutable

• frozen

• set

The built-in Python function that gives an object's identity is:

• memory()

• id()

• type()

• identity()

What is the name of the data type used for floating point numbers?

• float

• decimal

• non_integer

• floating_point

In Python, which of the following literals is shown in valid scientific notation?

• 3.0004e-12

• 17.012s14

• 0.003×10^-5

• e12f3.04