python find index in array code example

Example 1: python find index by value

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

Example 2: get index from element in list python

list.index(element)

Example 3: 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 4: position in array python

a_list = [1, 2, 3]

position_of_three = a_list.index(3)

print(position_of_three)

Example 5: python, list, index function

# vowels list
vowels = ['a', 'e', 'i', 'o', 'i', 'u']

# index of 'e' in vowels
index = vowels.index('e')
print('The index of e:', index)

# element 'i' is searched
# index of the first 'i' is returned
index = vowels.index('i')

print('The index of i:', index)