155. Min Stack.py

#https://leetcode.com/problems/min-stack/

class MinStack:

    def __init__(self):
        """
        initialize your data structure here.
        """
        self.stack = []

    def push(self, x: int) -> None:
        
        self.stack.append(x)
        

    def pop(self) -> None:
        self.stack.pop()
        

    def top(self) -> int:
        
        return self.stack[-1]
        

    def getMin(self) -> int:
        
        return min(self.stack)