Finish the method definition below.
employee_details_at_joining is a hash that contains details of an employee.
Given employee_details_at_joining, the method should calculate a new hash updated_employee_details that contains the same data as employee_details_at_joining but with the following changes:
- a new key
age should be added, calculated from year_of_birth key.
- the
experience value should incremented by 1 if it exists, otherwise a new key experience with value 1 should be added to the hash.
Ensure that the key age is added to the object before experience in case the experience key is absent in the initial hash employee_details_at_joining.