Calculate duration of Google tasks using script.google.com

Using [login to view URL], write a script that goes through the tasks in my Google calendar for the next 30 days to calculate the following statistics: For each day d in the next 30 days: Calculate and print the sum of the Time Estimates of all tasks due at this day d, where a Time Estimate is a string of the following format: PT30M = 30 min PT1H = 1 hour PT90H = 90 hours If a task does not have a Time Estimate of this format, generate a warning. The script shall be run through [login to view URL]