Chapter 6: File Handling in Python
Abstract File handling in Python refers to the ability to read from and write to files on your computer. It allows you to interact with external data sources, such as text files, CSV files, and more. Here's a breakdown of the key aspects of file handling in Python: Opening a file: You use the open() function to open a file. You need to specify the file name and the access mode (e.g., read, write, append). Reading from a file: You can use methods like read(), readline(), and readlines() to read the contents of a file. Writing to a file: You can use methods like write() and writelines() to write data to a file. Closing a file: It is essential to close a file when you are finished using it. This can be done using the close() method or by using the with statement. Example: Python # Open a file for reading with open("my_file.txt", "r") as f: # Read the entire file contents = f.read() print(contents) # Open a file for writing with op...