beginner

Data Cleaning Project example 37

A focused Python example for data cleaning project with output and explanation.

Data Cleaning Project example 37
lesson.py
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python7 linesWrap
Input

Terminal

Success

Ready.

Run code to see output here.

What this example teaches

Data Cleaning Project

Output

The script reads or transforms sales rows and status values and prints a result you can verify.

Line-by-line explanation

  • Line 1 sets up the Data Cleaning Project example: rows = [.
  • Line 2 adds one required part of the working pattern: {"city": "Delhi", "sales": "1200"},.
  • Line 3 adds one required part of the working pattern: {"city": "Mumbai", "sales": ""},.
  • Line 4 adds one required part of the working pattern: {"city": "Pune", "sales": "900"},.
  • Line 5 adds one required part of the working pattern: ].
  • Line 6 adds one required part of the working pattern: cleaned = [{**row, "sales": int(row["sales"] or 0)} for row in rows].

Why this example is useful

This example is useful because it isolates data cleaning project without surrounding noise, so you can see the idea clearly.

Where it is used in real projects

Data Cleaning Project appears in real Python work when a feature needs a clear pattern that can be reviewed and changed safely.

Beginner variation

Change one label, value or condition in the Data Cleaning Project example and run it again.

Advanced variation

Combine Data Cleaning Project with validation, error handling or reusable structure.