#1 判断大小写 letter = input() if letter in ['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']: print("up") else: print('low') #2 根据min max字符串输入返回对应结果 s = input() a,b = list(map(int,input().split())) if s == "min": print(min(a,b))...