AEM 249 Lecture 17

What method is used to return a pointer to a file with the given file name and path?

• file.open()

• file.readlines()

• file.close()

• file.read()

What file mode is used to open the file for writing and create the file if it does not exist?

• 'rb'

• 'r'

• 'w'

• 'a'

What does the flush() file method do?

• Returns the contents of the file as a string

• Closes the file

• Writes a string argument to a file

• Forces the interpreter to flush the output buffer to the file

What does the Python Standard Library OS module provide an interface to?

• CSV file format

• Operating system function calls

• File reading

• Binary data translation

What is the character between directories in a path?

• /

• \

• :

• ;

What is the purpose of the bytes() function in Python?

• To close a file

• To write to CSV files

• To read binary data from a file

• To create byte objects

What file mode is used to access files using binary file mode?

• 'a'

• 'rb'

• 'r'

• 'w'

What statement can be used to open a file, execute a block of indented statements, then automatically close the file when complete?

• while loop

• if statement

• for loop

• with statement

What is the purpose of the csv module in Python?

• To close a file

• To write to CSV files

• To read binary data from a file

• To create byte objects

What is the purpose of the comma-separated value (csv) file format?

• To separate data items using commas

• To store binary data

• To create byte objects

• To read text files