#!/usr/bin/env python3 # encoding: utf-8 # author: cappyclearl # Given an array and a value, remove all instances of that value in-place and return the new length. # Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. # The order of elements can be changed. It doesn't matter what you leave beyond the new length. # Example: # Given nums = [3,2,2,3], val = 3, # Your function should return length = 2, with the first two elements of nums being 2. class Solution: def removeElement(self, nums, val): """ :type nums: List[int] :type val: int :rtype: int """ remove_count = nums.count(val) for i in range(remove_count): nums.remove(val) return len(nums)