华为机试-HJ84 统计大写字母个数
描述
找出给定字符串中大写字符(即'A'-'Z')的个数。
数据范围：字符串长度：1\le |s|\le 250\1≤∣s∣≤250
字符串中可能包含空格或其他字符
进阶：时间复杂度：O(n)\O(n) ，空间复杂度：O(n)\O(n)
输入描述：
对于每组样例，输入一行，代表待统计的字符串
输出描述：
输出一个整数，代表字符串中大写字母的个数
示例1
输入：
A 1 0 1 1150175017(&^%&$vabovbaoadd 123#$%#%#O复制
输出：
2
while True: try: s1=input() s2=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"] cnt=0 for i in s1: if i in s2: cnt=cnt+1 print(cnt) except: break
