It keeps telling me that this object has no len in leetcode 35. Search Insert Position

Question

it keeps giving me this error can you tell me why. I can't find the answer

class Solution:
    def searchInsert(self, nums: List[int], target: int) -> int:
        x = len(List)
        for i in range(x):
            if List[i] == target:
                return i
            elif List[i] > target:
                return List[i-1]

TypeError: object of type '_SpecialGenericAlias' has no len()

Answer 1

You're not checking the length of nums, you're trying to check the lenght of List which is just an alias.

Replace x = len(List) with x = len(nums)