content: import React from 'react';
  
  class Grades extends React.Component {
  
    render () {
      var assignments = COURSES[this.props.params.courseId].assignments;
      return (
        <div>
          <h3>Grades</h3>
          <ul>
            {assignments.map(assignment => (
              <li key={assignment.id}>{assignment.grade} - {assignment.title}</li>
            ))}
          </ul>
        </div>
      );
    }
  }
  
  export default Grades;
  
  