Print summary statistics

📂 Task: Display summary statistics for numerical columns in the dataset.
📌 File to modify: main.ipynb

✅ Expected Output:

Use df.describe() to show mean, std, min, etc.

Comment your findings for better understanding

Open main.ipynb, locate the dataset variable (likely `df`). Use `df.describe()` to generate summary statistics for numerical columns. Print the result and add a comment interpreting the output (e.g., noting the mean, spread, or outliers). Run the notebook cell to verify the output matches the expected format.

Written by the indexing model from the issue text.