index method in list in python code example

Example 1: python find index by value

>>> ["foo", "bar", "baz"].index("bar")
1

Example 2: python index method

my_string = "Hello World!"

my_string.index("l") # outputs 2
# this method only outputs the index of the first "l" value in the string/list

Example 3: python index list in list

>>> list1 = [[10,13,17],[3,5,1],[13,11,12]]
>>> list1[0][2]
17