括号的最大嵌套深度
def maxDepth(s: str) -> int:max_depth = 0current_depth = 0for char in s:if char == '(':current_depth += 1max_depth = max(max_depth
def maxDepth(s: str) -> int:max_depth = 0current_depth = 0for char in s:if char == '(':current_depth += 1max_depth = max(max_depth
# Create three dictionaries representing different aliensalien_0 = {'color': 'green', 'points': 5}alien_1 = {'color': 'yellow', 'p