Current directory (getcwd, pwd, chdir)

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examples/os/cwd.py

import sys
import os

to_dir = '..'
# to_dir = '/path/to/some/dir'
if len(sys.argv) == 2:
    to_dir = sys.argv[1]

current_dir = os.getcwd()
print(current_dir)

os.chdir(to_dir)

new_dir = os.getcwd()
print(new_dir)

Linux, OSX:

$ pwd

Windows: (cd without parameters prints the current working directory)

> cd