6-peak.py

#!/usr/bin/python3
""" Finds the peak in a list of integers
"""


def find_peak(list_of_integers):
    """
    Args:
    list_of_integers(int): list of integers to find peak of 
    Returns: peak of list_of_integers or None
    """
    size = len(list_of_integers)
    mid_e = size
    mid_e = size // 2

    if size == 0:
        return None

    while True:
        mid_e = mid_e // 2
        if (mid < size - 1 and
                list_of_integers[mid] < list_of_integers[mid + 1]):
            if mid_e // 2 == 0:
                mid_e = 2
            mid = mid + mid_e // 2
        elif mid_e > 0 and list_of_integers[mid] < list_of_integers[mid - 1]:
            if mid_e // 2 == 0:
                mid_e = 2
                mid = mid - mid_e //2 
        else:
            return list_of_integers[mid]