React - Use PropTypes to Define the Props You Expect

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

import PropTypes from 'prop-types';

const Items = (props) => {
  return <h1>Current Quantity of: {props.quantity}</h1>

// Change code below this line
Items.defaultProps = {
  quantity: 0
Items.propTypes = {
  quantity: PropTypes.number.isRequired
    ShoppingCart.defaultProps = {
  quantity: 0
// Change code above this line

class ShoppingCart extends React.Component {
  constructor(props) {
  render() {
    return {Items}  }

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36

Challenge: React - Use PropTypes to Define the Props You Expect

Link to the challenge:

You were not asked to add defaultProps for the ShoppingCart component, but if you want to do that it has to go below (after) the component.

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