27-Remove-Element.py

class Solution(object):
    def removeElement(self, nums, val):
        """
        :type nums: List[int]
        :type val: int
        :rtype: int
        """
        for i in range(nums.count(val)):  # loop how many val is in the list
            nums.remove(val)  # remove each val one by one
        return len(nums)  # return len of nums