save project

PP.py

+# i = 1   # 行
+# j = 1   # 列
+for i in range(9,0,-1):
+    for j in range(9,i-1,-1):# 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(j,"*",i,"=",(i*j),end="  ")
+    print()
\ No newline at end of file