Python：如何删除列表中 class 的每个实例？

Question

I'm trying to delete every instance of a class in a for loop. However, there is a point in which the list length meets the for loop iteration. See:

 for n in range(len(myList)): print(len(myList), n) del myList[n]

Output:

15 0
14 1
13 2
12 3
11 4
10 5
9 6
8 7
7 8
IndexError: list assignment index out of range`

The only solution that came across my head so far was to create a variable for each item in the list and deleting them that way, but I've heard that's usually not something you need to do. Any ideas on how I can achieve this?

Answer 1

One way is to step through the list backwards.

for n in range (len (myList) -1, -1, -1):