save project

diy3.py

-message = "诺依，周末一起去看动漫展吧！"
-length=len(message)
-i=0
-while i<length
-    a=message[i]
-    print(a)
-i+=1
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-# 请使用索引的知识，取出message所有元素（不用遍历的方式）length
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+a=['关羽']
+b=['小贝','小兰']
+a.extend(b)
+print(a)
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