UNIT2_PYTHON

To read two characters from a file object infile, we use ____________

• infile.read(2)

• infile.read()

• infile.readline()

• infile.readlines()

Which of the following functions can help us to find the version of python that we are currently working on?

• sys.version(1)

• sys.version(0)

• sys.version()

• sys.version

What will be the output of the following Python code?

l=[1, 0, 2, 0, 'hello', '', []]

list(filter(bool, l))

• [1, 0, 2, ‘hello’, ”, []]

• Error

• [1, 2, ‘hello’]

• [1, 0, 2, 0, ‘hello’, ”, []]

The following python program can work with ____ parameters.

def f(x):

    def f1(*args, **kwargs):

           print("Sanfoundry")

           return x(*args, **kwargs)

    return f1

• any number of

• 0

• 1

• 2

What will be the output of the following Python code snippet?

for i in [1, 2, 3, 4][::-1]:

    print (i)

• 4 3 2 1

• Error

• 1 2 3 4

• None of the mentioned above

________ matches the start of the string.________ matches the end of the string.

• ‘^’, ‘$’

• ‘$’, ‘^’

• ‘$’, ‘?’

• ‘?’, ‘^’

What is the use of seek() method in files?

• sets the file’s current position at the offset

• sets the file’s previous position at the offset

• sets the file’s current position at the offset

• none of the mentioned

Which of the following are the modes of both writing and reading in binary format in file?

• wb+

• w

• wb

• w+

The ______ symbol along with the name of the decorator function can be placed above the definition of the function to be decorated works as an alternate way for decorating a function.

• @

• #

• $

• &

Which one is false regarding local variables?

• These remain in memory till the program ends

• Any changes made to local variables does not reflect outside the function.

• These can be accessed only inside owning function

• None of the mentioned above