from openpyxl import load_workbook
from openpyxl.styles import PatternFill

# Load the workbook
file_path = "/Users/z/Downloads/NTL.xlsx"  # Change this to your Excel file
wb = load_workbook(file_path)
ws = wb.active  # Select the active sheet (change to a specific sheet if needed)

# Get all merged cell ranges
merged_ranges = ws.merged_cells.ranges

if merged_ranges:
    print("Merged Cells Found:")
    for merged in merged_ranges:
        print(f"Range: {merged}, Start: ({merged.min_row}, {merged.min_col}), End: ({merged.max_row}, {merged.max_col})")

        # Highlight the top-left cell of each merged range
        top_left_cell = ws.cell(row=merged.min_row, column=merged.min_col)
        top_left_cell.fill = PatternFill(start_color="FFFF00", end_color="FFFF00", fill_type="solid")
else:
    print("No merged cells found.")

# Save the workbook with highlighted merged cells
output_file = "highlighted_merged_cells.xlsx"
wb.save(output_file)
print(f"Highlighted merged cells saved to '{output_file}'.")