Python Script
PY files contain Python source code, one of the most popular and versatile programming languages. Python is used for web development (Django, Flask), data science (pandas, NumPy), machine learning (PyTorch, TensorFlow), automation, and scripting.
MIME Type
text/x-python
Type
Text
Compression
Lossless
Advantages
- + Extremely readable syntax emphasizing clarity
- + Massive ecosystem — PyPI has 500K+ packages
- + Dominant in data science, ML, and AI
- + Cross-platform with broad standard library
Disadvantages
- − Slower execution than compiled languages (C, Go, Rust)
- − Global Interpreter Lock (GIL) limits CPU-bound threading
- − Dynamic typing can lead to runtime type errors
When to Use .PY
Use Python for data analysis, web backends, machine learning, automation, scripting, and rapid prototyping.
Technical Details
Python is an interpreted, dynamically typed language with indentation-based syntax. It uses CPython as the reference interpreter, compiles to .pyc bytecode, and has a vast standard library and PyPI package ecosystem.
History
Guido van Rossum created Python in 1991, emphasizing code readability and simplicity. Python 3.0 (2008) modernized the language, and Python has been the most popular language on many indices since the early 2020s.