how to check a substring with ? in a given string in python code example

Example 1: how to check for a substring in python

def find_string(string,sub_string):
	return string.find(sub_string)
#.find() also accounts for multiple occurence of the substring in the given string

Example 2: python check if string

type('hello world') == str
# output: True

type(10) == str
# output: False