Computer Science 1301 Final Questions

Front

What is the purpose of the try-except-else block in Python?

Back

The try-except-else block is used to handle exceptions in Python. The else block executes if the code in the try block does not raise an exception.

Front

What function is used to write data to a file in Python?

Back

The write() function is used to write data to a file in Python.

Front

How do you remove leading characters from a string in Python?

Back

You can use the lstrip() function to remove leading characters from a string.

Front

What does the format string 'g-' indicate in a plot command in Python?

Back

The format string 'g-' indicates that the line will be green and solid in a plot.

Front

How can you read all lines from a file object in Python?

Back

You can use the myfile.readlines() method to read all lines from a file object.

Front

What is the difference between read() and readlines() in file handling?

Back

read() reads the entire file as a single string, while readlines() reads the file and returns a list of lines.

Front

What is exception handling in Python?

Back

Exception handling in Python is a mechanism to handle runtime errors using try, except, and finally blocks.

Front

What is the purpose of the finally block in exception handling?

Back

The finally block is executed regardless of whether an exception occurred or not, typically used for cleanup actions.

Front

What does the strip() function do in Python?

Back

The strip() function removes leading and trailing whitespace characters from a string.

Front

What is the significance of the 'with' statement in file handling?

Back

The 'with' statement simplifies file handling by automatically closing the file after the block of code is executed.