save project

diy2.py

+for i in range(1,10):
+    for j in range(1,10):
+        print(j,"*",i,"=",j*i,sep=" ",end="  ")
+    print()
+        
+        # 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