To find the
L.index(v [, begin[, end]])
Begin indicates the start index and end indicates the end index. ValueError is raised when value does not exist
L.count(x)
Counts the number of occurrences of an element in a list
L.pop([index])
Delete the element corresponding to the index. If no index is added, the last element is deleted by default, and the reference relationship of the deleted element is returned
Modify the
L.insert(index, obj)
Inserts an element at the specified position in the list
L.extend(lst)
Append another list to a list
L.remove(x)
Removes the value from the list for the first time
L.clear()
Clear the list, equivalent to L[:] = []
L.sort(reverse=False)
Sorts the elements in a list, in the smallest to largest order by default
L.reverse()
List inversion, used to change the order of the original list
copy
L.copy()
List_data02 = list_data01[:]