Completed placement test

Included in this repo are the completed placement test files:

├── api_task
│   └── ampify_parser.py
├── CMakeLists.txt
├── compiled
│   └── calculator
├── README.md
├── source
│   └── main.cpp
└── .gitignore

C++ Calculator

The C++ calculator task was built using CMake, with Xcode as the IDE.

The completed source code for the C++ task is found under ./source/main.cpp. The compiled unix executable can be found under ./compiled/calculator

A CMakeLists.txt file is included. If cmake is installed, running: cmake -B build -G "<Generator name>" from the root directory will build the project.

Additions and Improvements

• Division was added
  • division by 0 gives a warning
• Fixed problems
  • fixed the implemnetation of std::abs
  • improved std::stod functionality so that inputs like '2abc' are no longer valid
  • added a try catch for std::invalid_argument so that the program does not quit on invalid input allowing the user to continue input
• Added functionality for negative numbers
  • inputs like -3*-20 are now valid and evalute correctly
  • a negative number must have a minus sign directly in front of it (no whitespace)
• pi was added as a constant
  • std::setprecision(7) was added to output pi * 5 to five decimal places

As asked in the task, the following examples are computed correctly:

10 * 4
25.3 + 18.6
3-5.6
pi * 5 (to five decimal places)

Web API Parsing

The web API parsing task was completed using Python. The completed script is found in the api_task folder. The only module required is the requests module. This can be installed from the terminal using:

python -m pip install requests

The script can be run (from the ./api_task directory) with the command:

python ampify_parser.py

This will request data from https://api.ampifymusic.com/packs, and parse the data into a python dictionary with key value pairs of unique genres for keys, and with lists of names of all packs in that genre for values.

The script will then print out a list of all unique genres, followed by a list of all packs in the genre 'hip-hop'.