摘要：
sum = 0 # 1、以循环计算 1*1+2*2+3*3+...+n*n n = 5 for i in range(1, n + 1): sum += i * i print("循环后的结果：" + str(sum)) # 2、以递归计算1*1+2*2+3*3+4*4+...+n*n def jishuna(k): if k == 0: return 0 ... 阅读全文
摘要：
import randomcount = 0strA = ""strB = ""while True: # 随机生成1或者2，表示是+还是- addOrreduce = random.randint(1, 2) # 随机生成两个数字 a = random.randint(10, 200) b = r 阅读全文