min by alphabetical order (snippet)

Python example 'min by alphabetical order'

Functions in program:

• def min_alphabetical_order(s):
• def lower_(arr):

Modules used in program:

• import string

min by alphabetical order

Python beginners example: min by alphabetical order

import string 

def lower_(arr):
    """
    For conversion of every element in list to lower 
    """
    for i in range(len(arr)):
        arr[i] = arr[i].lower()

def min_alphabetical_order(s):
    """
    Useful on lists containing strings that start from alphabets,
    because the algorithm is written for it in the first place!
    """
    copy = s[:]
    useful = list(string.ascii_lowercase)
    lower_(s)
    res = s[0]
    for word in s[1:]:
        tmp = word[0]
        if useful.index(tmp) < useful.index(res[0]):
            res = word
    return copy[s.index(res)]

# Test
case1 = ["Alpha", "Beta", "Gist", "exotic", "hells kitchen", "word", "Ultra", "zip"]
call = min_alphabetical_order(case1)
print("Max element in list by alphabet order:\n" + call)

Useful links

• Learn Python: https://pythonbasics.org
• Download Python: https://python.org