with open("app.py", "r") as f: lines = f.readlines() new_lines = [] i = 0 while i < len(lines): if "stats = f" in lines[i] and "## Results" in lines[i] and "\\n" not in lines[i]: new_lines.append(" stats = f\"## Results\n\n**Entered:** {total_in}\n**Exited:** {total_out}\n**Net:** {total_in - total_out}\n\n\" ") while i < len(lines) and not (lines[i].strip() == "\"" or lines[i].strip().startswith("for cls")): i += 1 continue new_lines.append(lines[i]) i += 1 with open("app.py", "w") as f: f.writelines(new_lines) print("Done")