Python - Copy Lists
Copy a List
You cannot copy a list simply by typing list2 = list1, because: list2 will only be a reference to list1, and changes made in list1 will automatically also be made in list2.
There are ways to make a copy, one way is to use the built-in List method copy().
例子
Make a copy of a list with the copy() method:
thislist = [“苹果”, “香蕉”, “樱桃”]
mylist = thislist.copy()
print(mylist)
亲自尝试 »
Another way to make a copy is to use the built-in method list().
例子
Make a copy of a list with the list() method:
thislist = [“苹果”, “香蕉”, “樱桃”]
mylist = list(thislist)
print(mylist)
亲自尝试 »
