What is the index in python

1) how to find index of a word in a string:
  my_string = "Hello World!"

  my_string.index("l")

2) how to find the first occurance of a word in a string:
  print(verse.index('and'))
  
  
 3)how to find the last occurance of a word in a string:
  print(verse.rindex('you'))

Similar codes

0 vote268 views1 answer
Python set grid thickness
Python
6 votes272 views1 answer
Get mouse postition python
Python
0 vote283 views1 answer
Smallest program to make diamond python
Python
33 votes294 views4 answers
Python random password generator
Python
1 vote355 views1 answer
Python way to unindent blocks of code
Python
0 vote258 views1 answer
Eror api/kernelsUntitled.ipynb?kernel_name=python3
Python
7 votes254 views1 answer
Sdjflk
Python
39 votes260 views6 answers
Pandas count nans in column
Python
0 vote294 views1 answer
Python insert sorted
Python
0 vote278 views1 answer
/bin/sh: 1: python: not found
Python