Get the position of all the max values

allmax.py

def allmax_positions( input_array ):
    if len(input_array) == 0:
        return []
    positions_of_max_values = [0]
    the_max_values = input_array[0]
    for counter_i in range(1, len(input_array)):
        if input_array[counter_i] > the_max_values:
            positions_of_max_values = [counter_i]
            the_max_values = input_array[counter_i]
        elif input_array[counter_i] == the_max_values:
            positions_of_max_values.append(counter_i)
    return positions_of_max_values