for loop with index python

1items=['baseball','basketball','football']
2for index, item in enumerate(items):
3    print(index, item)

1for index, item in enumerate(items):
2    print(index, item)
3
4#if you want to start from 1 instead of 0
5for count, item in enumerate(items, start=1):
6    print(count, item)

1array = range(10)
2for i in range(len(array)):
3  print(array[i])

1colors = ["red", "green", "blue", "purple"]
2
3for i in range(len(colors)):
4    print(colors[i])
5

1colors = ["red", "green", "blue", "purple"]
2i = 0
3while i < len(colors):
4    print(colors[i])
5    i += 1
6

1presidents = ["Washington", "Adams", "Jefferson", "Madison", "Monroe", "Adams", "Jackson"]
2for i in range(len(presidents)):
3    print("President {}: {}".format(i + 1, presidents[i]))
4