PYTHON

Which one of the following is the correct extension of the Python file?

• .python

• .py

• .p

• .nb

Which character is used in Python to make a single line comment?

• /

• //

• #

• !

>>>str1 = "javat"  

>>> str1[-1:]  

What will be the output of this statement?

• t

• j

• java

• point

Which of the following data types is shown below?

1. L = [2, 54, 'javatpoint', 5]  

2. What will be the output of this statement?

• Dictionary

• tuple

• list

• stack

1. print('It\'s ok, don\'t worry')  

2. What will be the output of this program?

• 1. It's ok don't worry

• 1. It\'s ok, don\'t worry

• 1. SyntaxError: EOL while scanning string literal

• 1. SyntaxError: invalid syntax

Which of the following keywords is used for function declaration in Python language?

• 1. def

• 1. function_name

• 1. define

• none of these

Which statement is correct?

• List is immutable && Tuple is mutable

• List is mutable && Tuple is immutable

• Both are Mutable.

• Both are Immutable

2. Suppose a list with name arr, contains 5 elements. You can get the 2nd element from the list using:

• arr[-2]

• arr[2]

• arr[-1]

• arr[1]

Which of these about a dictionary is false?

• The values of a dictionary can be accessed using keys

• The keys of a dictionary can be accessed using values

• Dictionaries aren't ordered

• Dictionaries are mutable

Which of the following function is used to know the data type of a variable in Python?

• datatype()

• typeof()

• type()

• vartype()