auto save

diy2.py

-i = 1   # 行
-j = 9   # 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
-for j in range(1,10):
-    print(i,'*',j,'=',(i*j),end="  ")
+for i in range(1,10):
+    for j in range(1,i+1):
+        print(j,'*',i,'=',(i*j),end="  ")
+    print()
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