python 之九九乘法表
for i in range(1,10): for j in range(1,i+1): print(f"{j}*{i}={i*j}",end=' ') print()
运行结果如下:
L = [] for i in range(2,10): flag = True for j in range(2,i): #这就不包括1和本身了 if i % j == 0: flag = False break if flag == True: L.append(i) print(sum(L))