12th C Summer Holiday Home Work 2019 CS subject

Summer Holiday Home Work 2019 CS subject class 12^th C

1 a) Which of the following can be used as valid variable identifier(s) in Python?  2016

 (i)​ 4thSum  (ii)​ ​Total             (iii)​ ​Number#  (iv)​ ​_Data

b) Name the Python Library modules which need to be imported to invoke the following functions

                (i) ​floor()          (ii) ​randint()

c) Rewrite the following code in python after removing all syntax error(s). Underline each correction done in the code.

STRING=""WELCOME

NOTE"" for S in range[0,8]:   print STRING(S)

print S+STRING

​d) Find and write the output of the following python code:

TXT   = ["20","50","30","40"]

CNT   = 3 TOTAL = 0 for C in [7,5,4,6]:

  T = TXT[CNT]

  TOTAL = float (T) + C   print TOTAL

  CNT-=1

e) What are the possible outcome(s) executed from the following code? Also specify the maximum and minimum values that can be assigned to variable N.

import random

NAV  = ["LEFT","FRONT","RIGHT","BACK"];

NUM  = random.randint(1,3)

NAVG = "" for C in range(NUM,1,-1):

  NAVG = NAVG+NAV[I]

  print NAVG

(i)   ​BACKRIGHT       (ii)  ​BACKRIGHTFRONT        (iii) ​BACK      (iv) ​LEFTFRONTRIGHT

1 a) Out of the following, find those identifiers, which cannot be used for naming
Variable or Functions in a Python program: Total*Tax, While, class, switch, 3rdRow, finally, Column31, Total b) Name  the  Python  Library  modules  which  need  to  be  imported  to  invoke  the following functions (i) sqrt()   (ii) dump()  d) Find and write the output of the following python code:
Values=[10,20,30,40]
for Val in Values:
for I in range(1, Val%9):
print(I,"*",end=""​)	​
print()