Truffle-React-2.js

return (
    <div className="App">
      <header className="App-header">
        <h1>Welcome to Number Changer</h1>
        <h3 >
          Your number is: {number}
        </h3>
        <input
          placeholder="Enter a number"
          onChange={ (e) => setNewNumber(e.target.value) }
          value={number}
           />
        <button onClick={getNumber}>Get Number</button>
        <button onClick={changeNumber}>Set Number</button>
      </header>
    </div>
  );