auto save

diy2.py

 i = 1   # 行
 j = 3   # 列
 # 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
-for j in range(1,10):
+for j in range(1,i+1):
     for i in range(1,10):
         print(j,"*",i,"=",(j*i),end=" | ")
     print()