str in Python?

Question

Who can clear me what is str in python and what is its role?

Answer 1

Strings are most popular types in python. We can create them by enclosing the content within single or double quotation marks.
Example: "Hello" 'World'
Docstrings are enclosed within triple quotation marks
Example: ''' This is an answer '''

str is used to convert to string datatype.
Example: a=7
b=str(a)
print(b)
output >>> '7'

Answer 2

str denotes string class in python and it is used to perform all the operations related to the strings like concatenation, length of string, etc.