how to get index in python

1list.index(element, start, end)

11) how to find index of a word in a string:
2  my_string = "Hello World!"
3
4  my_string.index("l")
5
62) how to find the first occurance of a word in a string:
7  print(verse.index('and'))
8  
9  
10 3)how to find the last occurance of a word in a string:
11  print(verse.rindex('you'))
12

1array = ["foo", "bar", "baz"].index("bar")
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3