1544. Make The String Great

1544. Make The String Great



https://leetcode.com/problems/make-the-string-great/


class Solution:
    def __init__(self):
        self.l=[]
    def makeGood(self, s: str) -> str:
        self.push(s[0])
        for i in range(1,len(s)):
            if(ord(s[i])>=97 and ord(s[i])<=122):
                m=s[i].upper()
            else:
                m=s[i].lower()
            if(len(self.l)>0 and self.l[-1]==m):
                self.pop()
            else:
                self.push(s[i])
        ans=""
        for i in self.l:
            ans=ans+""+i
        return ans
    def pop(self):
        if(len(self.l)>0):
            self.l.pop()
    def push(self,element):
        self.l.append(element)