tuples/questions.rst
author bhanu
Thu, 11 Nov 2010 03:08:35 +0530
changeset 482 b554ce5a7b26
parent 425 c943cdbee397
permissions -rw-r--r--
language check done for `using python modules`
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
232
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     1
Objective Questions
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     2
-------------------
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     3
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     4
 1. Define a tuple containing two values. The first being integer 4 and second
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     5
    is a float 2.5
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     6
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     7
   Answer: (4, 2.5)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     8
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
     9
 2. If ``a = (5, "Hello", 3.2)``. what is the value of a[2]
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    10
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    11
   Answer: 3.2
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    12
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    13
 3. If ``a = 5,`` then what is the type of a
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    14
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    15
   a. int
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    16
   #. float
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    17
   #. tuple
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    18
   #. string
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    19
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    20
   Answer: tuple
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    21
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    22
 4. if ``a = (2, 3)``. What does ``a[0], a[1] = (3, 4)`` produce
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    23
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    24
   Answer: Error
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    25
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    26
 5. If ``a = ([2, 3], 4, 5)``. What is the value of ``a`` after doing
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    27
    ``a[0].append(6)``
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    28
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    29
    a. ([2, 3, 6], 4, 5)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    30
    #. Raises an error
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    31
    #. ([2, 3], 4, 5)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    32
    #. [2, 3, 4, 5, 6]
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    33
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    34
    Answer: ([2, 3, 6], 4, 5)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    35
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    36
 6. What does the following code produce::
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    37
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    38
      a = 5
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    39
      b = "Hello"
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    40
      a, b = b, a
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    41
      print a
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    42
      print b
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    43
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    44
    Answer::
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    45
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    46
      Hello
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    47
      5
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    48
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    49
 7. ``a = ("hello", "world", 5, 6, 8)``. What is the value of a[1:4]
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    50
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    51
    Answer: ("world", 5, 6)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    52
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    53
 8. ``a = (1, 2, 3, 4, 5, 6, 7, 8)``. What is the value of a[1::3]
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    54
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    55
    Answer: (2, 5, 8)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    56
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    57
 9. ``a = (1, 2, 3, 4, 5, 6, 7, 8)``. What is the value of a[-3::-1]
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    58
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    59
    Answer: (6, 5, 4, 3, 2, 1)
da873a5ac918 made the tuples.rst into new template form
Nishanth <nishanth@fossee.in>
parents:
diff changeset
    60
425
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    61
 10. What is the output of the code block below::
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    62
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    63
       a = "hello", "bye", "welcome", "goodnight"
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    64
       type(a)
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    65
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    66
    Answer: <type 'tuple'>
c943cdbee397 Cleaned up tuples LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 232
diff changeset
    67