Removing Stars From a String Python Solution

lcpy gen -n 2390   # by problem number
lcpy gen -s removing_stars_from_a_string   # by problem name

Input: s = "leet**cod*e"
Output: "lecoe"
Explanation: Performing the removals from left to right:
- The closest character to the 1st star is 't' in "leet**cod*e". s becomes "lee*cod*e".
- The closest character to the 2nd star is 'e' in "lee*cod*e". s becomes "lecod*e".
- The closest character to the 3rd star is 'd' in "lecod*e". s becomes "lecoe".
There are no more stars, so we return "lecoe".

Input: s = "erase*****"
Output: ""
Explanation: The entire string is removed, so we return an empty string.

class Solution:
    # Time: O(n)
    # Space: O(n)
    def remove_stars(self, s: str) -> str:
        chars: list[str] = []
        for ch in s:
            if ch == "*":
                chars.pop()
            else:
                chars.append(ch)
        return "".join(chars)