183 

   184 Questions

   185 =========

   186 

   187  1. ``a = 2.5``. What is the output of ``print "a is %d"%(a)``

   188 

   189    a. a is 2.5

   190    #. a is 2.0

   191    #. 2.0

   192    #. a is 2

   193 

   194    Answer: a is 2

   195 

   196  2. What does ``print "This is",     "a line ", "with  spaces"`` print?

   197 

   198    a. This is a line with spaces

   199    #. This is a line with  spaces

   200    #. This is     a line   with   spaces

   201    #. This is a line  with  spaces

   202 

   203    Answer: This is a line  with  spaces

   204 

   205  3. What does ``print "%2.5f"%(1.2)`` print?

   206 

   207    a. 1.2

   208    #. 1.20

   209    #. 1.20000

   210    #. 00001.2

   211 

   212    Answer: 1.20000

   213 

   214  4. What is the output of the following code::

   215 

   216      for i in range(1,10,2):

   217          print i,

   218 

   219     Answer::

   220 

   221       1 3 5 7 9

   222 

   223  5. ``a = 2`` and ``b = 4.5``. What does ``print "a is %d and b is %2.1f"%(b, a)``

   224     print?

   225 

   226    a. a is 2 and b is 4.5

   227    #. a is 4 and b is 2

   228    #. a is 4 and b is 2.0

   229    #. a is 4.5 and b is 2

   230 

   231    Answer: a is 4 and b is 2.0

   232 

   233  6. What is the prompt displayed by ``raw_input("Say something\nType here:")``

   234 

   235    Answer::

   236 

   237      Say something 

   238      Type here:

   239 

   240  6. What is the prompt displayed by ``raw_input("value of a is %d\nInput b

   241     value:"a)`` and ``a = 2.5``

   242 

   243    Answer::

   244 

   245      value of a is 2

   246      Input ba value:

   247 

   248  7. ``a = raw_input()`` and user enters ``2.5``. What is the type of a?

   249 

   250    a. str

   251    #. int

   252    #. float

   253    #. char

   254 

   255    Answer: str

   256 

   257  8. ``a = int(raw_input())`` and user enters ``4.5``. What happens?

   258 

   259    a. a = 4.5

   260    #. a = 4

   261    #. a = 4.0

   262    #. Error

   263 

   264    Answer: Error

   265 

   266  9. ``a = raw_input()`` and user enters ``"this is a string"``. What does 

   267     ``print a`` produce?

   268 

   269    a. 'this is a string'

   270    b. 'this is a string"

   271    c. "this is a string"

   272    #. this is a string

   273 

   274    Answer: "this is a string"

   275 

   276 Problems

   277 ========

   278 

   279  1. Answer to universe and everything. Keep taking input from user and print it

   280     back until the input is 42.

   281 

   282   Answer::

   283 

   284     ip = raw_input()

   285     while ip != "42":

   286         print ip

   287 

   288  2.