Python 3 for Beginners: File Input and Output in Python

This video tutorial introduces file objects and methods for reading and writing files, along with common operations. It covers string methods useful for file reading, looping through files line by line, and understanding various file modes. The tutorial also explains the differences between Windows and Unix-type files and concludes with handling exceptions in file operations.

What is a file object primarily used for in programming?

• To perform mathematical calculations

• To manage network connections

• To create graphical user interfaces

• To read from and write to files

Which method is commonly used to read a file line by line?

• read()

• readline()

• readlines()

• readall()

What is the main difference between Windows and Unix type files?

• File permissions

• File size

• File extension

• Line ending characters

Which file mode should be used to append data to an existing file?

• w

• x

• a

• r

What is a common practice when handling exceptions in file operations?

• Ignoring the error

• Using try-except blocks

• Restarting the program

• Deleting the file