class Solution:
def dietPlanPerformance(self, calories: List[int], k: int, lower: int, upper: int) -> int:
score = 0
window = 0
for i in range(k):
window += calories[i]
if window < lower:
score -= 1
elif window > upper:
score += 1
for i in range(k, len(calories)):
window += calories[i]
window -= calories[i - k]
if window < lower:
score -= 1
elif window > upper:
score += 1
return score