: Scaling features, encoding categories, and splitting data.
: Use meaningful variable names (e.g., df_sales instead of df1 ).
A you want to start (e.g., stock price analysis, movie recommendations)
: Use NumPy arrays instead of loops to speed up code.
: Loading CSVs, SQL data, or JSON into Pandas.
Your with Python (e.g., total beginner, intermediate)
: Using metrics like R-squared or Accuracy to test performance. 💡 Pro Tips