CBSE COMPUTER SCIENCE

What is the output?

def calculate(): L[0]=5 print(L) L=[] N=int(input('Enter number of elements :')) I=0 while(I

what is the output for the above?

a=10 def fun3(): global a print('In fun') print('a=',a) a=a+3 print('a=',a) a=5 print('a=',a) fun3() print('Back') print('a=',a)

(1 Point) Package Python Path Site-packages Python-Modules 20.Which operator is used in python to import all modues from packages? (1 Point) % $ # * 21.What is the extension of python library modules? (1 Point) .lib .mod .py .txt 22.Which file must be part of the folder containing Python module files to make it importable python package? (1 Point) init__.py init.py _init_.py __init.py 23.A Python _____ can contain objects like docstrings, variables, functions, constant, classes, objects and statements (1 Point) Library Package Function Classes 24.the ________ are useful for documentation purposes (1 Point) docstrings comments statements help() 25.The _______ is a repository of software for the python programming language, it helps to find and install software developed and shared by the python communitiy. (1 Point) Python Package Index (PyPI) Python Package List Python Package Storage Python Library Index 26.The uniform() function is belongs to _____module (1 Point) math statistic random os 27.The capwords() function is the part of the ____ module (1 Point) Lib String Math Random 28.An independent triple quoted string given inside a module, containing documentation related information is a _______ (1 Point) Documentation Docstring DString StringDoc 29.Which of the following random module functions generates a floating poing number? (1 Point) random() randomfloat() randomint() randfloat() 30.The _____ library provide URL handling functions so that we can access websites (1 Point) Urlweb Urllib WebUrl LibUrl

COMPUTER SCIENCE WITH PYTHON (083) GRADE : 12 CHAPTER : PYTHON LIBRARIES 1.Name the Python Library modules which need to be imported to invoke the following functions a) pow() b) mean() math and statistics statististics and random random and math os and math 2.Name the modules to which the following func-tions belong: a) Uniform () b) fabs () (1 Point) random and os random and math math and statistics datetime and math 3.To convert a fractional number into whole as the nearest next ______ and convert to the nearest lower whole number ________ (1 Point) floor() and ceil() round() and ceil() round() and floor() floor() and round() 4.Out of the following, find those identifiers, which cannot be used for naming Variables or functions in a Python program: Total * Tax, While, class, Switch, 3rd Row, finally, Column31, Total. (1 Point) While, Swich, finally, Column31 Total * Tax, class, 3rd Row, finally Column31,While, Total, Total * Tax While, 3rd Row, Total, Switch 5.Name the Python Library modules which need to be imported to invoke the follwing functions : a) sqrt() b) fabs() (1 Point) math and random math and math math and random math and statistics 6.Out of the following, find the identifiers, which cannot be used for naming Variable or Functions in a Python program: _Cost, Price*Qty, float, switch, Address one, Delete, Number12, for (1 Point) _Cost, Price * Qty, switch , Delete Price * Qty, Number12, Address one Price *Qty, float, Address one, for _Cost, switch, Delete , Number12 7.Out of the following find those identifiers, which can not be used for naming Variable or Functions in a Python Program: Days * Rent, for, A_price, Grand Total, do, 2Clients, Participant, My_city (1 Point) A_Price, do, Participant and My_City Days * Rent, Grand Total, do and Participant A_Price, do, 2Clients and My_City Days * Rent, do, 2Clients, for and Grant Total 8.How can we import math module in Python? (1 Point) Imports math() import math() import math import math* 9.How can we import a module in Python using "from" (1 Point) from import from import import from import from 10.Values provided in function call _______ and Values provided in function header _________ (1 Point) Values and Arguments Parameter and Arguments Arguments and Parameters Parameters and Values 11.Python allows function arguments to have default values; if the function is called without the argument, the argument gets its ____________ (1 Point) Default value Actual Value Formal Value User Defined Value 12.If there is a function with many parameters and we want to specify only some of them in function call, then value for such parameters can be provided by using their names instead of the positions is known as _______ (1 Point) Default Arguments Keyword Arguments Positional Arguments User-Defined Arguments 13.Correct the statment a) r = raw-input(‘enter any radius : ’) b) Print(Values of r is ' r) (1 Point) r=raw_input("enter any radius : ") and print('Value of r is' r) r=raw_input("enter any radius : ") and print('Value of r is',r) r=raw-input("enter any radius : ") and print('Value of r is' r) r=raw-input("enter any radius : ") and print('Value of r is', r) 14.Import all objects from a module as (1 Point) import all import * import * from import * 15.the divmod(7,2) function of math module return (1 Point) {3,1} (1,3) [3,1] (3,1) 16.Collection of modules in a single unit is known as _______ (1 Point) User-defined modules Package Built-in Modules Functions 17.A ________ can have one or more packages and subpackages (1 Point) Module Package Library Function 18.A ________ is collection of python modules under a common namespace, created by placing different modules on a single directory along with __init__.py (1 Point) Library Module Package Objects 19.The _____ is the target directory in which all installed Python packages are placed by default