Head first Python Beginner's study notes (chapter III)

1.os.chdir () switches to the specified directory, OS.GETCWD (), to get the current directory.

>>> Import OS
>>> os.chdir (' D:\\codedocuments\\python code\\python head First Code\\03chapter3 ')
>>> OS.GETCWD ()
' D:\\codedocuments\\python Code\\python head First Code\\03chapter3 '

2.print (, end= ") plus end=", print without a newline, if not added, will be wrapped.

>>> data=open (' Sketch.txt ')
>>> print (Data.readline (), end= ")
Man:is This is the right to a argument?
>>> print (Data.readline ())
Other man:i ' ve told you once.

>>> print (Data.readline ())
Man:no you haven ' t!

>>> print (Data.readline (), end= ")
Other Man:yes I has.

3.

Head first Python Beginner's study notes (chapter III)