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                            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"
~~~


~~~
var toLowerCase = function(str) {
    return str.toLowerCase()
};
~~~

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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