题目

从键盘输入一个 3位整数，计算该数中各位数字之和。例如，输入392，各数字之和是 3 + 9 + 2 = 14。 答案：解： x = input('请输入一个三位数：') # input函数返回字符串 x = int(x) # 将字符串转换为整形 a = x // 100 # 获取百位数，整除100 b = x // 10 % 10 # 获取十位数 c = x % 10 # 获取个位数，对10求余数 print(a+b+c)用所给词的适当形式填空。 1. I often _____(do) my homework on the evening. But yesterday evening, I _____(watch) TV. 2. Did Mike ____(go)swimming? 3. Yesterday，my little sister_______ (go )to shanghai.4. Look! She is ______ (draw) a picture now. 5. John is taller than Tom. But Tom is ______(strong) than John