Python CSV

When iterating over an object returned from csv.reader(), what is returned with each iteration?

For example, given the following code block that assumes csv_reader is an object returned from csv.reader(), what would be printed to the console with each iteration?

for item in csv_reader:

print(item)

• The column data as a list

• The individual value data that is separated by the delimiter

• The full line of the file as a string

• The row data as a list

Which of the following is not a valid mode to open a file?

• ab

• rw

• r+

• w+

The difference between r+ and w+ modes is expressed as?

• No difference

• In r+ mode, the pointer is initially placed at the beginning of the file and the pointer is at the end for w+

• In w+ mode, the pointer is initially placed at the beginning of the file and the pointer is at the end for r+

• Depends on the operating system

What does CSV stand for?

• Cursor Separated Variables

• Comma Separated Values

• Cursor Separated Values

• Cursor Separated Version

Which module is used for working with CSV files in Python?

• random

• statistics

• csv

• math

Which of the following modes is used for both writing and reading from a binary file?

• wb+

• w

• wb

• w+

Which statement is used to retrieve the current position within the file?

• fp.seek()

• fp.tell( )

• fp.loc( )

• fp.pos( )

What happens if no arguments are passed to the seek() method?

• file position is set to the start of file

• file position is set to the end of file

• file position remains unchanged

• results in an error

Which of the following modes will refer to binary data?

• r

• w

• +

• b

Every record in a CSV file is stored in reader object in the form of a list using which method?

• writer( )

• append( )

• reader( )

• list( )