Contact Book
A contact book you can search, update, delete and sort.
Project 6Intermediate
๐งฉ Problem statement
A contact book you can search, update, delete and sort. Design it completely in pseudocode first: plan the data, split the work into functions, write the logic, dry-run it and test it.
๐ Requirements
- Add
- Search
- Update
- Delete
- Sort
๐ฅ Inputs
- Name
- Phone
๐ค Outputs
- Matching contacts
- Sorted list
๐ Rules
- Names are case-insensitive when searching
๐ง Constraints
- No duplicate names
๐งญ Suggested approach
- Restate the problem in your own words
- List the data you must remember (variables, lists, maps)
- Write one FUNCTION per feature
- Write the main program that calls them
- Dry-run with the Run button
- Test normal cases and edge cases
๐ง Required concepts
- Functions
- Lists
- Maps
- Searching
- Sorting
โ๏ธ Pseudocode editor ยท dry-run tool ยท test cases
Design your solution here. Use Run to dry-run it step by step. Hints unlock one at a time โ try on your own first!
๐งช Edge cases to test
- Empty input
- Very large values
- Repeated or duplicate entries
๐ Challenge extensions
- Add a feature of your own
- Make it work for 10ร more data โ what changes?
