# [8 kyu] Find the First non-consecutive Number
#
# Author:   Hsins
# Date:     2019/11/29


def first_non_consecutive(arr):
    for idx, num in enumerate(arr):
        if num - arr[idx - 1] != 1 and idx:
            return(num)
    return None

# [8 kyu] Find the First non-consecutive Number
#
# Author:   Hsins
# Date:     2019/11/29


def first_non_consecutive(arr):
    for idx, num in enumerate(arr):
        if num - arr[idx - 1] != 1 and idx:
            return(num)
    return None

# [8 kyu] Find the First non-consecutive Number # # Author:   Hsins # Date:     2019/11/29