main

ex6.py

-from functools import cmp_to_key
-
-def compare_first_digit(a, b):
-    
-    a_first_digit = int(str(a)[0])
-    b_first_digit = int(str(b)[0])
-
-    if a_first_digit < b_first_digit:
-        return 1
-    elif a_first_digit > b_first_digit:
-        return -1
-    else:
-        if len(str(a)) == 1 and len(str(b)) > 1:
-            return compare_first_digit(a, int(str(b)[1:]))
-        elif len(str(a)) > 1 and len(str(b)) == 1:
-            return compare_first_digit(int(str(a)[1:]), b)
-        elif len(str(a)) > 1 and len(str(b)) > 1:
-            return compare_first_digit(int(str(a)[1:]), int(str(b)[1:]))
-        else:
-            return 0
-
-def largest_number(numbers):
-    sorted_numbers = sorted(numbers, key=cmp_to_key(compare_first_digit))
-    return int(''.join(map(str, sorted_numbers)))
-
-numbers = [5, 2, 1, 937, 9354]
-print(largest_number(numbers))