14-Jun-2021
Useful link:https://manual.cs50.io/
How to check the uppercase/ lowercase of string by using isupper(char c)?? There may be problems of scope.
發現可能是因為不太懂arrays的意思, 先整理好思緒做一次class的example和tutor再做, 不要心急! 每一次急都只會是浪費更多時間去整理心情和意外地繞更遠的路, 記得你平日不檢查清楚東西就出門的後果嗎?先去做整理!
明天會開lesson 2 的notes 2
This function checks whether c is a lowercase letter ('a' through 'z') or not. In other words, it checks whether the ASCII value of c is between 97 and 122, inclusive.
