Python

Suppose a dictionary mgrDict maps managers to a department: mgrDict = { }	Suppose a dictionary mgrEmpsDict maps managers to a a LIST Of their employees: mgrEmpsDict = { }
1. Ask the user to enter a mgrName and a department Insert an entry into the mgrDict	1. Ask the user to enter a mgrName Ask the user to continue adding empNames until they enter -999 to quit Insert an entry into the mgrEmpsDict
2. Ask the user to enter a department Print the name of the manager of that department OR print no such department if its not in the mgrDict.	2. Ask the user to enter an empName. Print the name of the manager for that employee OR print no such employee if they arent in the mgrEmpsDict.
3. Ask the user for a department Ask the user to enter a new manager Replace the manager for that department with the new manager OR print a message if that department doesnt exist.	3. Ask the user for a new employees name. Ask the user for the name of a manager. Insert that employee into the list for that manager OR print a message if the manager doesnt exist.
4. Print a report where the output is SORTED by department.	4. For each entry in mgrEmpsDict, print the manager name followed by the number of employees for that manager.