Medium
Strategy for Cleaning Messy CSV Data
Outline a Python-based approach to handle missing values, duplicates, and formatting issues in a CSV dataset.
📝 Nội dung Prompt
I have a CSV file with 50,000 rows containing customer records. Issues include missing phone numbers, duplicate email addresses, and inconsistent date formats. Provide a step-by-step Python strategy using the pandas library to identify, clean, and standardize this data.