题目描述: 两个字符串 input1和字符串input2,字符串中元素的值域是26个大写字母,判断input2中所有字符是否都包含在字符串input1中,包含返回 true,否则返回 false, 代码如下:(python 3) def func(s1,s2): length1 = len(s1) length2 = len(s2) if length1 <5 or length2 <5: return False if length1 < length2: return False list1 = [0]*26 list2 = [0]*26 index = 0 for i in range(length1): asci_num = ord(s1[i]) if asci_num <65 or asci_num > 90: return False index = ord(s1[i])-65 list1[index] =1 for i in range(length2): asci_num = ord(s2[i]) if asci_num <65 or asci_num > 90: return False index = ord(s2[i])-65 list2[index] =1 for i in range(26): if list2[i] > list1[i]: return False return True if __name__ == '__main__': s1 = input('input first str:') s2 = input('input second str:') print (func(s1,s2))