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number_factoring.py
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#!/usr/bin/env python3 | |
# | |
# Version: v1.1.3 | |
# License: MIT License | |
# Copyright (c) 2020-2021 Hunter T. (StrangeRanger) | |
# | |
######################################################################################## | |
""" | |
Take a user provided integer and find all of the possible factors for that | |
number. | |
Notes | |
----- | |
Does not find the factors of negative numbers. | |
""" | |
####[ Functions ]####################################################################### | |
def finding(x): | |
"""Find all of the factors of a given integer. | |
Parameters | |
---------- | |
x : int | |
User provided integer. | |
""" | |
factors = [] | |
i = 0 | |
while i < x: | |
i += 1 | |
if x % i == 0: | |
factors.append(i) | |
first = 0 | |
last = len(factors) - 1 | |
even_odd = len(factors) % 2 | |
if even_odd == 1: | |
factor_length = int(len(factors) / 2 + 1) | |
else: | |
factor_length = int(len(factors) / 2) | |
## Print the corresponding factors side by side. | |
for i in range(factor_length): | |
print("{}*{}".format(factors[first], factors[last])) | |
first += 1 | |
last -= 1 | |
print("\nA total of {} factors of {}".format(len(factors), num)) | |
####[ Main ]############################################################################ | |
## Make sure that user input is valid and that any ValueErrors are caught. | |
while True: | |
try: | |
num = int(input("Enter a number: ")) | |
except ValueError: | |
print("Invalid input: only numbers are accepted as input\n") | |
continue | |
if num < 0: | |
print("Invalid input: only positive numbers are accepted as input\n") | |
continue | |
break | |
print("\nFactors of {} are: ".format(num)) | |
finding(num) |
Author
StrangeRanger
commented
Jun 7, 2021
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