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diy2.py

-i = 9   # 行
-for j in range(1,10):
-    print(i,"*",j,"=",(i*j),end="  ")
-
+i = 5   # 行
+j = 3   # 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
+print("i"*"j"=(j*i))
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