intitializing arrYS IN SOLIDITY

// Solidity program to demonstrate  
// creating a dynamic array 
pragma solidity ^0.5.0;   
  
// Creating a contract   
contract Types {   
    
    // Declaring state variable  
    // of type array. One is fixed-size 
    // and the other is dynamic array 
    uint[] data  
      = [10, 20, 30, 40, 50];  
    int[] data1;   
    
    // Defining function to  
    // assign values to dynamic array 
    function dynamic_array() public returns( 
      uint[] memory, int[] memory){   
    
        data1  
          = [int(-60), 70, -80, 90, -100, -120, 140];  
        return (data, data1);   
    }   
}