python find string in list and return index code example

Example 1: how to find item in list python without indexnig

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

Example 2: python find index of first matching element in a list

# Basic syntax:
list.index(element, start, end) 
# Where:
#	- Element is the item you're looking for in the list
# 	- Start is optional, and is the list index you want to start at
#	- End is option, and is the list index you want to stop searching at

# Note, Python is 0-indexed

# Example usage:
my_list = [1, 2, 3, 4, 5, 6, 7, 8, 42, 9, 10]
my_list.index(42)
--> 8

Example 3: python index of item in list

list.index(element)

Example 4: get index of item in list

list.index(element, start, end)

Example 5: python get index of substring in liast

def index_containing_substring(the_list, substring):
    for i, s in enumerate(the_list):
        if substring in s:
              return i
    return -1

Example 6: python get index of substring in liast

index = [idx for idx, s in enumerate(l) if 'tiger' in s][0]