Python Basics Quiz

Is Python case sensitive when dealing with identifiers?

• yes

• no

• machine dependent

• none of the mentioned

What is the maximum possible length of an identifier?

• 31 characters

• 63 characters

• 79 characters

• none of the mentioned

Which of the following is invalid?

• _a = 1

• __a = 1

• __str__ = 1

• none of the mentioned

Which of the following is an invalid variable?

• my_string_1

• 1st_string

• foo

• _

Why are local variable names beginning with an underscore discouraged?

• they are used to indicate a private variables of a class

• they confuse the interpreter

• they are used to indicate global variables

• they slow down execution

Which of the following is not a keyword?

• eval

• assert

• nonlocal

• pass

All keywords in Python are in

• lower case

• UPPER CASE

• Capitalized

• None of the mentioned

Which of the following is true for variable names in Python?

• unlimited length

• all private members must have leading and trailing underscores

• underscore and ampersand are the only two special characters allowed

• none of the mentioned

Which of the following is an invalid statement?

• abc = 1,000,000

• a b c = 1000 2000 3000

• a,b,c = 1000, 2000, 3000

• a_b_c = 1,000,000

Which of the following cannot be a variable?

• __init__

• in

• it

• on