save project

diy2.py

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