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sys.path A list of strings that specifies the search path for directory. In this path, some paths already have been added such as absolute path of .py file directory by default. sys.path >>> ['/Users/joohyunyoon/.pyenv/versions/anaconda3-2021.05/envs/sensor_fusion/lib/python37.zip' ... getcwd Get the pathname of the Current Working Directory. os.getcwd() >>> '/Users/joohyunyoon/workspace/sensor_..

os Operating System, provides functionality on the Operating System such as copy the file, create the directory, etc. getcwd Get Current Working Directory, returns a string representing the current working directory. import os os.getcwd() >>> '/Users/joohyunyoon/workspace/practice/src' listdir List directory, returns a list containing the names of the entries in the directory. os.listdir() >>> [..