## set_text(input_file_name, output_file_name, Watermark_text) {#str_str_str} Adds a text Watermark into the document. ```python def set_text(self, input_file_name: str, output_file_name: str, wate......output_file_name, watermark_text) {#str_str_str} Adds a text watermark into...str, output_file_name: str, watermark_text: str): ... ``` | Parameter...