<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def search_mergedcell_value(xl_sheet, merged_range):
 """ Search for a value in merged_range cells. """

    for search_row_idx in range(merged_range[0], merged_range[1]):
        for search_col_idx in range(merged_range[2], merged_range[3]):
            if xl_sheet.cell(search_row_idx, search_col_idx).value:
                return xl_sheet.cell(search_row_idx, search_col_idx)
    return False