Can Place Flowers

place_flowers.py

"""
You have a long flowerbed in which some of the plots are planted, and some are not. However, flowers cannot be planted 
in adjacent plots.

Given an integer array flowerbed containing 0's and 1's, where 0 means empty and 1 means not empty, and an integer n, 
return if n new flowers can be planted in the flowerbed without violating the no-adjacent-flowers rule.

Example 1:
Input: flowerbed = [1,0,0,0,1], n = 1
Output: true

Example 2:
Input: flowerbed = [1,0,0,0,1], n = 2
Output: false
"""
class Solution:
    def canPlaceFlowers(self, flowerbed: List[int], n: int) -> bool:
        flowerbed = [0] + flowerbed + [0]
        counter = 0
        for i in range(1, len(flowerbed) - 1):
            if flowerbed[i]:
                continue
            if not flowerbed[i - 1] + flowerbed[i + 1]:
                flowerbed[i] = 1
                counter += 1
        return counter >= n