need help developing team management python code

[Tommy Kelly]

example output

C:\>python week4.py

Welcome to the Team Manager

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 2

Enter new member's name: Nathan

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 2

Enter new member's name: Toby

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 1

Nathan

Toby

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 3

Enter member name to be removed: Toby

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 1

Nathan

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 4

Enter the name of the memeber you want to edit: Nathan

Enter the new name of the member: Nathan Braun

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 1

Nathan Braun

===========Main Menu===========

1. Display Team Roster.

2. Add Member.

3. Remove Member.

4. Edit Member.

9. Exit Program.

Selection> 9

Exiting Program...