Register to get access to free programming courses with interactive exercises

Opening and closing files Python: Text Input/Output Fundamentals

In this lesson, you will learn how to do the most basic operations — opening and closing of files.

How to open files

In Python, we open a file using the open function, which requires the file path and the mode as parameters. The path is straightforward. We use the mode to specify how we want to use the file:

  • To write or read
  • To work with text or binary data
  • To clear the file before writing to it

Now, we will work with files in two modes — for reading and writing text. To read something from a file, we first need to create it and write something into it. Let's start with that. We will open a file for writing:

Sign up

Programming courses for beginners and experienced developers. Start training for free

  • 130 courses, 2000+ hours of theory
  • 1000 practical tasks in a browser
  • 360 000 students
By sending this form, you agree to our Personal Policy and Service Conditions

Our graduates work in companies:

<span class="translation_missing" title="translation missing: en.web.courses.lessons.registration.bookmate">Bookmate</span>
<span class="translation_missing" title="translation missing: en.web.courses.lessons.registration.healthsamurai">Healthsamurai</span>
<span class="translation_missing" title="translation missing: en.web.courses.lessons.registration.dualboot">Dualboot</span>
<span class="translation_missing" title="translation missing: en.web.courses.lessons.registration.abbyy">Abbyy</span>
Suggested learning programs
profession
new
Developing web applications with Django
10 months
from scratch
under development
Start at any time

Use Hexlet to the fullest extent!

  • Ask questions about the lesson
  • Test your knowledge in quizzes
  • Practice in your browser
  • Track your progress

Sign up or sign in

By sending this form, you agree to our Personal Policy and Service Conditions
Toto Image

Ask questions if you want to discuss a theory or an exercise. Hexlet Support Team and experienced community members can help find answers and solve a problem.