import os
# 当前文件的绝对路径
print(os.path.abspath(__file__)) # 输出：/home/wp/st_detection/download_code/YOLOv5/ultralytics_yolov5_master/train.py
# 当前工作目录
print(os.path.abspath('.')) # 输出：/home/wp/st_detection/download_code/YOLOv5
print(os.getcwd()) # 输出：/home/wp/st_detection/download_code/YOLOv5
# 更改当前工作目标
os.chdir('/home/wp/st_detection/download_code/TubeR')
print(os.getcwd()) # 输出：/home/wp/st_detection/download_code/TubeR