save project

diy2.py

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