From Spreadsheets to Code — Exercise Files
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Book 1 | Waskey Press | www.waskeypress.com

FILES INCLUDED
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employees.csv        100 employees with department, salary, hire date
products.csv         30 products with category, price, stock
monthly_sales.csv    144 rows: monthly revenue by region (2022-2024)
customer_data_raw.csv 30 customers with intentionally messy data (for Ch.10 cleaning exercises)
weekly_data.csv      52 weeks of 2024 revenue and order data
expenses_paris.csv   Expense reports — Paris office
expenses_london.csv  Expense reports — London office
expenses_berlin.csv  Expense reports — Berlin office
projects.csv         15 company projects with budget and status
inventory.csv        20 products with reorder levels and lead times
messy_dates.csv      30 rows with dates in various formats (for Ch.10 exercises)
contacts.csv         50 contacts with company and priority data
sales_report.xlsx    Multi-sheet Excel workbook (Monthly Sales, Product Catalogue, Q4 Summary)
budget_2024.xlsx     Multi-sheet Excel workbook (Department Budgets, Monthly Tracker)

USAGE
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All files are used in exercises throughout the book.
Chapter references are noted in each exercise.

Python loading examples:
  import pandas as pd
  df = pd.read_csv('employees.csv')
  df = pd.read_excel('sales_report.xlsx', sheet_name='Monthly Sales')

For updates and the company.db database (Book 2):
  www.waskeypress.com/files
