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diy2.py

 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","=",(i*j))
\ No newline at end of file
+for i in range(1,46)
+    i=i+1
+    print("i","*","j","=",(i*j))
\ No newline at end of file