Welcome to Data Science
=======================

This is a sample text file for learning file handling in Python.

Data science combines statistics, programming, and domain expertise
to extract insights from data. Python is the most popular language
for data science due to its simplicity and powerful libraries.

Key Python Libraries:
- NumPy: Numerical computing
- Pandas: Data manipulation
- Matplotlib: Data visualization
- Scikit-learn: Machine learning

Remember: Practice makes perfect!