auto save

diy2.py

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