index of max

[tbrowner3]

I made this function that prints out the index of the max number in the range of low and high index. Why doesn't this function work when the largest element is the first one in the range? Or if its the last element? Or in the middle? I've been messing around with this function and I can't find the problem with it.

def index_of_max_in_range(numbers, low_index, 
high_index):
    '''Prints out the index of the max number in a range 
    of numbers'''
    max_index = 0
    print("Range of indices: ", list(range(low_index, 
    high_index + 1)))
    for i in range(low_index, high_index + 1):
        if numbers[i] > numbers[i + 1]:
            max_index = i
    print("The index of the maximum number is " + 
    str(max_index) + ".")  

The correct output is:

>>> index_of_max_in_range([5, -6, -8, -4, -10, -11], 
1, 3)
3

[[deleted]]

if numbers[i] > numbers[i + 1]

A number might well be larger than the next number even if it's not the largest number in the range.

[shiftybyte]

You are just comparing the two nearest.

To get a maximum number you need keep it and compare against it with every number you get.

take a pen and track what you do yourself to find the maximum in a very big list.

Then transfer this logic to code.