input_path = r"E:\RSdata\wlk_right_448\val.txt"
output_path = r"E:\RSdata\wlk_right_448\val_no.txt"

with open(input_path, "r", encoding="utf-8") as fin, open(output_path, "w", encoding="utf-8") as fout:
    for line in fin:
        fout.write(line.strip().replace(".jpg", "") + "\n")