import sys while 1: # 读取第一行的n n = input() flag=0 li = n.split(',') i=0 if len(li)>100: print("error.0001") break while i<len(n): if 'a'<=n[i]<='z'&nbs***bsp;'A'<=n[i]<='Z'&nbs***bsp;n[i]==',': i+=1 ...