Added script for Excel to CSV Conversion

Excel to CSV/README.md

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+# Excel to CSV Converter
+
+## Description
+This Python script converts Excel files (.xlsx, .xls) to CSV format. It can be used for batch processing of files and handles multiple Excel sheets.
+
+## Prerequisites
+- Python 3.x
+- Libraries:
+  - pandas
+  - openpyxl (for .xlsx files)

Excel to CSV/excel_to_csv.py

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+import pandas as pd
+import sys
+import os
+
+    #excel_file: Path to the Excel file 
+    #output_csv: Path to save the output CSV file
+    #sheet_name: Name of the sheet to convert. If None, the first sheet is used
+
+def convert_excel_to_csv(excel_file, output_csv, sheet_name=None):
+
+
+    try:
+        #Checks if the file exists
+        if not os.path.exists(excel_file): 
+            print(f"Error: The file '{excel_file}' does not exist.")
+            return
+
+        #Reads the Excel file
+        if sheet_name:
+            df = pd.read_excel(excel_file, sheet_name=sheet_name)
+        else:
+            df = pd.read_excel(excel_file)
+
+        # Converts the Excel file to CSV foormaat
+        df.to_csv(output_csv, index=False)
+        print(f"Successfully converted '{excel_file}' to '{output_csv}'.")
+
+    except ValueError as e:
+        print(f"Error: {e}")
+    except Exception as e:
+        print(f"An error occurred: {e}")
+
+if __name__ == "__main__":
+    if len(sys.argv) < 3:
+        print("Usage: python excel_to_csv.py <input_excel_file> <output_csv_file> [sheet_name]")
+    else:
+        input_excel_file = sys.argv[1]
+        output_csv_file = sys.argv[2]
+        sheet_name = sys.argv[3] if len(sys.argv) > 3 else None
+        convert_excel_to_csv(input_excel_file, output_csv_file, sheet_name)