enumerate python function code example

Example 1: enumerate in python

languages = ['Python', 'C', 'C++', 'C#', 'Java']

#Bad way
i = 0 #counter variable
for language in languages:
    print(i, language)
    i+=1

#Good Way
for i, language in enumerate(languages):
    print(i, language)

Example 2: for loop with enumerate python

presidents = ["Washington", "Adams", "Jefferson"]
for num, name in enumerate(presidents, start=0):
    print("President {}: {}".format(num, name))