// Test Driven Programming

function addExclamation(str) {
    // write code here
}



/**
* Test Suite 
*/
describe('addExclamation()', () => {
    it('adds an exclamation to the word', () => {
        // arrange
        const word = "Jump"
        
        // act
        const result = addExclamation(word)

        // log
        console.log("result: ", result)
        
        // assert
        expect(result).toBe("Jump!")
    })
})