Contract to demo value typed datatypes in solidity

DemoValueTypes.sol

// Solidity program to demonstrate
// value types
pragma solidity ^ 0.8.5;  
  
// Creating a contract
contract DemoValueTypes {  
   // Initializing Bool variable
   bool public boolean;
   
   // Initializing Integer variable
   int32 public intVar = -60313;
   //  Initializing String variable
   string public str = "This is the sample string";
   // Initializing Byte variable
   bytes1 public b = "a";
    
   // Defining an enumerator
   enum sampleEnum { first, second, third, defaultValue }
   // Defining a function to return values stored in an ENUM
  
   function accessEnum(uint8 index) public pure returns(
     sampleEnum) {
       if (index == 0) {
           return sampleEnum.first;
       } else if (index == 1) {
           return sampleEnum.second;
       } else if (index == 2) {
           return sampleEnum.third;
       } else {
           return sampleEnum.defaultValue;
       }         
   }
}