1.import os
os.getcwd () # Get the current absolute path
os.path.split ( 'D: \\ pythontest \\ ostest \\ Hello.py') # decomposed into the path (folder, file name), it returns a tuple Types of
os.path.join ( 'D: \\ pythontest', 'ostest') #D: \\ pythontest \\ ostest 'splice path
os.path.getsize ( 'D: \\ pythontest \\ ostest \\ hello.py') # View File Size
os.listdir (os.getcwd ()) # View the current path of all files and directories
os.path.exists ( 'D: \\ pythontest \\ ostest \\ hello.py') # see if the file exists
2. Start a program end pc
1) os.startfile (path) #path installation path of the exe
2) a client opens many times
# Path = input ( 'Please enter your exe to start the absolute path:')
# Count = int (input ( 'To start number:'))
# for index in range(count):
# os.startfile(path)