Very easy to understand-Two pointers
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```python3 []
class Solution:
    def makeSmallestPalindrome(self, s: str) -> str:
        l=0
        r=len(s)-1
        s=list(s)
        while l<r:
            if s[l]!=s[r]:
                s[l]=s[r]=min(s[l],s[r])
            l+=1
            r-=1
        return ''.join(s)



        
```
['Two Pointers', 'String', 'Python3']