1. Create "Student" collection based on the below description. Insert two rows in the collection (insert values of your choice).

. Student has Student_id, salary, First_name, Last_name and Age

. Student has a sub document, department. Department has id and name.

b. Write a mongodb query to show the information from Student collection table for the Student_id = 151.

c.Write mongodb query to add a column Stu_contact to the collection, and assign 56676 to it (for all rows).

d. Print the first names of the students whose age is in the range 20 to 22.