#昨日作业解析: # s = 'sadagwa'# i = 0# while i < len(s):# s1 = s[i]# print(s1)# i += 1# while使用技巧,先找递增变量或者递减变量 #简单的加法计算器 print在输入多种元素时要用逗号隔开# content = input('计算:').strip()# s1 = content . split('+')# num = 0# for i in s1:# num += int(i)# print(num) # s =…