biking = [{day: "Monday", miles: 6.2, time_hr: 0.53},
{day: "Tuesday", miles: 10.0, time_hr: 1.02},
{day: "Wednesday", miles: 4.9, time_hr: 0.48},
{day: "Thursday", miles: 0, time_hr: 0},
{day: "Friday", miles: 18.5, time_hr: 1.59},
{day: "Saturday", miles: 7.3, time_hr: 0.86},
{day: "Sunday", miles: 0, time_hr: 0}]