how to delete part of string in python code example

Example 1: remove substring python

>>> papa = 'papa is a good man'
>>> papa.replace('papa', '')
' is a good man'

Example 2: remove from string python

"Str*ing With Chars I! don't want".replace('!','').replace('*','')

Example 3: remove part of string python

txt = 'abbacabbd'
print(url.replace('bbd',''))

#output:
abbaca

Example 4: remove a part of a string python

url = 'abcdc.com'
print(url.replace('.com',''))

Example 5: remove a part of a string python

import re
url = 'abcdc.com'
url = re.sub('\.com$', '', url)