(709)To Lower Case.cs

/*
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.

Example 1:

Input: "Hello"
Output: "hello"
Example 2:

Input: "here"
Output: "here"
Example 3:

Input: "LOVELY"
Output: "lovely"
*/
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public class Solution {
    public string ToLowerCase(string str) {
        return str.ToLower();
    }
}