which method can be used to replace parts of a string in python code example

Example 1: python replace "\" for "/"

my_string = r'\\ServerA\DriveB\5.FolderC\A.TXT'
my_string = my_string.replace('\\', '/')

Example 2: set replace python

# Replace 1 with 4
s = {1, 2, 3}
s.remove(1)
s.add(4)