delete_element

class Solution:
    """
    @param: A: A list of integers
    @param: elem: An integer
    @return: The new length after remove
    """
    def removeElement(self,A, elem):
        # write your code here
        i = 0
        while i < len(A):
            if A[i]==elem:
                A.pop(i)
            else:
                i+=1
        return len(A)