[PYTHON] AtCoder Problems Training Easy Summary

Introduction

I have solved all the Easy of AtCoder Problems Training, so I have summarized my own solution. All languages used are Python, with 10 questions each. I think I solved it myself, but I'm sorry if it is the same as the official commentary.

table of contents

1~10 11~20 21~30 31~40 41~50 51~60 61~70 71~80 81~90 91~100