Gxlsystem TIY Editor
Gxlsystem 在线教程
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demo_python_ref_file_writelines_2.py:
f = open("demofile3.txt", "a") f.writelines(["\nSee you soon!", "\nOver and out."]) f.close() #open and read the file after the appending: f = open("demofile3.txt", "r") print(f.read())
C:\Users\My Name>python demo_python_ref_file_writelines_2.py
Hello! Welcome to demofile2.txt
This file is for testing purposes.
Good Luck!
See you soon!
Over and out.