save project

diy2.py

 i = 5   # 行
 j = 3   # 列
 print(j,"*",i,"=",(j*i))# 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
+i =5
+j =4
+print(j,"*",i,"=",(j*i))
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