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Reading & Writing Data Into Files Video Lecture | Crash Course for EmSAT Achieve

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FAQs on Reading & Writing Data Into Files Video Lecture - Crash Course for EmSAT Achieve

1. What is the purpose of reading and writing data into files in Python programming?
Ans. The purpose of reading and writing data into files in Python programming is to store and retrieve data from a file. It allows us to save data for future use and manipulate it as needed.
2. How can we read data from a file in Python?
Ans. We can read data from a file in Python by using the `open()` function to open the file in read mode and then using the `read()` or `readlines()` method to read the contents of the file.
3. How can we write data to a file in Python?
Ans. To write data to a file in Python, we can use the `open()` function to open the file in write mode, and then use the `write()` method to write data to the file. We can also use the `writelines()` method to write multiple lines of data to the file.
4. What is the difference between reading a file in text mode and binary mode in Python?
Ans. When reading a file in text mode, Python interprets the file as a sequence of characters and performs any necessary encoding/decoding. On the other hand, when reading a file in binary mode, Python reads the file as a sequence of bytes without any character encoding/decoding. Binary mode is useful for reading non-text files such as images or audio files.
5. How can we handle errors when reading or writing files in Python?
Ans. We can handle errors when reading or writing files in Python by using try-except blocks. By wrapping the file operations inside a try block, we can catch any exceptions that may occur and handle them gracefully. This allows us to display custom error messages or perform any necessary cleanup operations in case of errors.
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