how to find sertain text in a string python code example

Example 1: python string contains

>>> str = "Messi is the best soccer player"
>>> "soccer" in str
True
>>> "football" in str
False

Example 2: how to search for a specific character in a part of a python string

myString = "God is good"

if "o" in myString[0:4]
	print("Working! There is an 'O' in between the G and D of God.")