题解 | #统计字符#
统计字符
https://www.nowcoder.com/practice/539054b4c33b4776bc350155f7abd8f5
stri = input() n1,n2,n3,n4 = 0,0,0,0 for i in stri: # 对每个字符进行判断计数 if i.isalpha(): n1 += 1 elif i == ' ': n2 += 1 elif i.isdigit(): n3 += 1 else: n4 += 1 print(n1) print(n2) print(n3) print(n4)