How to Write To A FIle In Python

Tech With Tim · Beginner ·🔧 Backend Engineering ·4y ago

Key Takeaways

This video demonstrates how to write to a file in Python, including creating a new file, overriding an existing file, and appending to a file using different modes such as 'w' and 'a'. The video also covers the use of the 'with open' statement to automatically close the file after writing.

Full Transcript

in this video i'll show you how to write to a file in python to do this we first need to create a file i'm going to say file equals open i'm going to put the name of my file which is file.txt and then the mode to open the file in if the file doesn't already exist use w mode if it does already exist use a w will create a new file even if the file currently exists so we'll override an existing file a will open an existing file and append stuff to the end of it so if this file doesn't exist you can't open it in a mode anyways we're going to go in w mode i'm going to say file dot write and then i'm going to write my content like this and then after i'm done that i need to close the file so let's run the code and see if this may be a new file if i go here to my directory notice a new file opens file like that now let's do this in a mode if i put this in a mode and now that i run the code let me go open my file when i open my file notice we get hello world twice one other quick way to do this is the following you can use with open file.txt and now you no longer need to close the file because it will automatically close once it's done you need to do as file like this let's run the code now if i go back to my file and i look at it notice we have a low world three times hopefully this was helpful if it was follow for more

Original Description

Learn how to write to a file, create a file, override a file and append to a file in Python. 💻 AlgoExpert is the coding interview prep platform that I used to ace my Microsoft and Shopify interviews. Check it out and get a discount on the platform using the code "techwithtim" https://algoexpert.io/techwithtim 📚 Playlist: https://www.youtube.com/playlist?list=PLzMcBGfZo4-k-_nZU2GCrVKJF3Kvj7yFw ◼️◼️◼️◼️◼️◼️◼️◼️◼️◼️◼️◼️◼️◼️ 💰 Courses & Merch 💰 💻 The Fundamentals of Programming w/ Python: https://tech-with-tim.teachable.com/p/the-fundamentals-of-programming-with-python 👕 Merchandise: https://teespring.com/stores/tech-with-tim-merch-shop 🔗 Social Medias 🔗 📸 Instagram: https://www.instagram.com/tech_with_tim 📱 Twitter: https://twitter.com/TechWithTimm ⭐ Discord: https://discord.gg/twt 📝 LinkedIn: https://www.linkedin.com/in/tim-ruscica-82631b179/ 🌎 Website: https://techwithtim.net 📂 GitHub: https://github.com/techwithtim 🔊 Podcast: https://anchor.fm/tech-with-tim 🎬 My YouTube Gear 🎬 🎥 Main Camera (EOS Canon 90D): https://amzn.to/3cY23y9 🎥 Secondary Camera (Panasonic Lumix G7): https://amzn.to/3fl2iEV 📹 Main Lens (EFS 24mm f/2.8): https://amzn.to/2Yuol5r 🕹 Tripod: https://amzn.to/3hpSprv 🎤 Main Microphone (Rode NT1): https://amzn.to/2HrZxXc 🎤 Secondary Microphone (Synco Wireless Lapel System): https://amzn.to/3e07Swl 🎤 Third Microphone (Rode NTG4+): https://amzn.to/3oi0v8Z ☀️ Lights: https://amzn.to/2ApeiXr ⌨ Keyboard (Daskeyboard 4Q): https://amzn.to/2YpN5vm 🖱 Mouse (Logitech MX Master): https://amzn.to/2HsmRDN 📸 Webcam (Logitech 1080p Pro): https://amzn.to/2B2IXcQ 📢 Speaker (Beats Pill): https://amzn.to/2XYc5ef 🎧 Headphones (Bose Quiet Comfort 35): https://amzn.to/2MWbl3e 🌞 Lamp (BenQ E-reading Lamp): https://amzn.to/3e0UCr8 🌞 Secondary Lamp (BenQ Screenbar Plus): https://amzn.to/30Dtafi 💻 Monitor (BenQ EX2780Q): https://amzn.to/2HsmUPZ 💻 Monitor (LG Ultrawide 34WN750): https://amzn.to/3dSD7tS 🎙 Mic Boom Arm (R
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This video teaches how to write to a file in Python using different modes and the 'with open' statement. It covers creating a new file, overriding an existing file, and appending to a file.

Key Takeaways
  1. Open a file in write mode ('w') to create a new file or override an existing file
  2. Open a file in append mode ('a') to add content to the end of an existing file
  3. Use the 'with open' statement to automatically close the file after writing
  4. Write content to the file using the 'write' method
  5. Close the file after writing using the 'close' method
💡 The 'with open' statement is a convenient way to perform file operations in Python, as it automatically closes the file after writing, regardless of whether an exception is thrown or not.

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