Files—Input & Output

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• NumPy: Reading and writing files
• NumPy: Input and output
• PDA 6 (Pandas): Data Loading, Storage, and File Formats
• MATLAB: Data Import and Export
• digital representation of data

Concepts

• what is a file?
• what is a file type?
• encoding/decoding as bytes (binary)
• importing/exporting data using NumPy, Pandas, and MATLAB

demo

• week04demo.ipynb (right-click to download)

exercises: easier

• Advent of Code 2015, Day 1
• Advent of Code 2017, Day 1
• Advent of Code 2018, Day 1
• Advent of Code 2019, Day 1
• Advent of Code 2021, Day 1
• Advent of Code 2023, Day 1

exercises: more challenging

• Advent of Code 2015, Day 6
• Advent of Code 2016, Day 6

fun and challenging

• XOR decryption from Project Euler (problem 59)
  • a sample solution: pe059.py