save project

diy2.py

 # 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 i in range(1,10):
-    for j in range(1,10):
+    for j in range(1,i + 1):
         print(i, "X", j, "=", i*j, end = "  ")
\ No newline at end of file