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Reference library

Python Code Samples

Medium snippets you can copy, study, and run in the browser editor.

4 matches
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Files & data medium

Create a Python Tool That Generates Professional Excel Dashboards

Generate a professional sales dashboard in an Excel workbook with styled headers, a bar chart, and formatted number cells using the openpyxl library.

openpyxl excel dashboard
Python
import openpyxl
from openpyxl.chart import BarChart, Reference
from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
from openpyxl.utils import get_column_letter

def create_sales_dashboard(workbook_path: str) -> None:
    """Generate a professional sales dashboard in an Excel workbook."""
    wb = op…
2 0 Open
Files & data medium

How to Automatically Merge Hundreds of Excel Files Without Losing Formatting in Python

Merge all .xlsx files in a folder into a single Excel workbook, preserving individual sheet structures with sheet name prefixes.

excel pandas merge
Python
import pandas as pd
from pathlib import Path

def merge_excel_files(folder_path: str, output_path: str) -> None:
    """
    Merge all .xlsx files in a folder into a single Excel file,
    preserving individual sheet structures.
    """
    folder = Path(folder_path)
    excel_files = list(folder.glob("*.xlsx"))
    
…
2 0 Open
Automation & scripting medium

Convert HTML Tables to Excel Reports in Python

Convert HTML tables into formatted Excel reports using BeautifulSoup and Pandas with auto-adjusted column widths.

html excel beautifulsoup
Python
import pandas as pd
from bs4 import BeautifulSoup
from pathlib import Path

def html_table_to_excel(html_file: str, excel_file: str) -> None:
    """Convert HTML table to formatted Excel report."""
    with open(html_file, 'r', encoding='utf-8') as f:
        html_content = f.read()
    
    soup = BeautifulSoup(html_…
2 0 Open
Data pipelines & processing medium

Build a Python Utility That Detects Duplicate Records Across Multiple Excel Sheets

A Python utility that uses pandas to find overlapping records across different Excel sheets based on specified key columns.

pandas excel data cleaning
Python
import pandas as pd
from pathlib import Path

def find_duplicate_records_across_sheets(file_path: str, key_columns: list, sheet_names: list) -> dict:
    """
    Detect duplicate records across multiple Excel sheets based on specified key columns.
    
    Args:
        file_path: Path to the Excel file
        key_co…
3 0 Open

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