save project

diy2.py

+i = 1  
+j=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
+for j in range(1,10):
+    for i in range(1,10):
+        print(str(j)+"*"+str(i)+"="+str(i*j),end="   ")
+        i+=1
+        

diy3.py

+o=["颜良"," ikun"]
+i=["a","b","d","c"]
+#i.insert(4,"j")
+#i.append("L6")
+i.extend(o)
+print(i)
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