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M3 R5: Programming and Problem Solving through Python

Set

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1 What will be the output of the following Python code? d = {0: 'a', 1: 'b', 2: 'c'} for x in d.values(): print(d[x])

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? d = {0 :' a ', 1 :' b ', 2 :' c '} d.values () में x के लिए: print(d[x])

0 1 2

a b c

0 a 1 b 2 c

none of the mentioned

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2 Is Python case sensitive when dealing with identifiers?

क्या पहचानकर्ताओं से निपटते समय पायथन केस संवेदनशील होता है?

yes

no

machine dependent

none of the mentioned

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3 Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1.count(5)?

मान लीजिए कि लिस्ट1 है [3, 4, 5, 20, 5, 25, 1, 3], list1.count (5) क्या है?

0

4

1

2

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4 What will be the output of the following Python code snippet? test = {1:'A', 2:'B', 3:'C'} test = {} print(len(test))

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? test = {1:'A', 2:'B', 3:'C'} test = {} print(len(test))

0

None

3

An exception is thrown

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5 Which statement will open file data.txt in append mode?

कौन सा स्टेटमेंट data.txt फाइल को एपेंड मोड में खोलेगा?

f = open("data.txt", "a")

f = Open("data.txt", "ab")

f= new("data.txt", "a")

open("data.txt", "a")

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6 If list1=[10,20,30], then operation list1*2 returns ____ .

यदि list1=[10,20,30], तो ऑपरेशन list1*2 ____ लौटाता है।

[10,20,30,10,20,30]

[20,40,60]

[10,20,30,20,40,60]

None

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7 What will be the output of the following Python code snippet? print('11'.isnumeric())

निम्नलिखित पायथन कोड स्निपेट का आउटपुट क्या होगा? print('11'.isnumeric ())

True

False

None

Error

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8 What will be the output of the following Python code if the system date is 18th June, 2017 (Sunday)? import datetime tday=datetime.date.today() print(tday.weekday())

यदि सिस्टम दिनांक 18 जून, 2017 (रविवार) है, तो निम्नलिखित पायथन कोड का आउटपुट क्या होगा? import datetime tday=datetime.date.today() print(tday.weekday())

6

1

0

7

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9 Which of the following function returns the index value of first occurrence of substring occurring in the given string.

निम्नलिखित में से कौन सा फंक्शन दिए गए स्ट्रिंग में होने वाली सबस्ट्रिंग की पहली घटना का इंडेक्स मान बताता है।

index()

find()

Both of the above

None of the above

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10 A graphical representation of a computer program in relation to its sequence of functions____ .

कार्यों के अनुक्रम के संबंध में एक कंप्यूटर प्रोग्राम का एक ग्राफिकल प्रतिनिधित्व ____ ।

Algorithm

flowchart

Both of the above

None of these

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11 Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop()?

मान लीजिए सूची है। [3, 4, 5, 20, 5, 25, 1, 3], listExample.pop() के बाद लिस्ट1 क्या है।

[3, 4, 5, 20, 5, 25, 1]

[1, 3, 3, 4, 5, 5, 20, 25]

[3, 5, 20, 5, 25, 1, 3]

[1, 3, 4, 5, 20, 5, 25]

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12 Why does the name of local variables start with an underscore denote?

स्थानीय वेरिएबल्स का नाम अंडरस्कोर से क्यों शुरू होता है?

To identify the variable.

To identify the constant.

It indicates a public variable of a class.

Variables cannot be accessed from outside the class.

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13 What will be the output of following Python code? import numpy as np a = np.array([(10,20,30)]) print(a.itemsize)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.array([(10,20,30)]) print(a.itemsize)

10

9

4

All of the mentioned above

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14 The ______ can be accessed only inside the function in which they are declared, whereas global variables can be accessed throughout the program body by all functions.

______ को केवल उस फ़ंक्शन के अंदर एक्सेस किया जा सकता है जिसमें उन्हें घोषित किया गया है, जबकि सभी फ़ंक्शन द्वारा पूरे प्रोग्राम बॉडी में ग्लोबल वेरिएबल्स को एक्सेस किया जा सकता है।

Global variables

local variables

datatype

None of these

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15 The syntax of seek() is: file_object.seek(offset [, reference_point]) What does the reference_point indicate?

seek () का सिंटैक्स है: file_object.seek(offset [, Reference_point]) रेफरेंस_पॉइंट क्या दर्शाता है?

reference_point indicates the current position of the file object

reference_point indicates the starting position of the file object

reference_point indicates the ending position of the file object

None of the above

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16 Python operator always yields the result of

पायथन ऑपरेटर हमेशा का परिणाम देता है

integer

floating point

complex

all of these

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17 NumPY stands for. -

NumPY का अर्थ है -

Numbering Python

Number In Python

Numerical Python

None of the above

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18 What will be the output of the following Python code? values = [[3, 4, 5, 1], [33, 6, 1, 2]] v = values[0][0] for lst in values: for element in lst: if v > element: v = element print(v)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? values = [[3, 4, 5, 1], [33, 6, 1, 2]] v = values[0][0] for lst in values: for element in lst: if v > element: v = element print(v)

1

3

5

6

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19 Which denotes file binary mode?

फ़ाइल बाइनरी मोड को कौन दर्शाता है?

r

rb

w

r+

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20 What will be the output of the following Python code? points = [[1, 2], [3, 1.5], [0.5, 0.5]] points.sort() print(points)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? points = [[1, 2], [3, 1.5], [0.5, 0.5]] points.sort() print(points)

[[1, 2], [3, 1.5], [0.5, 0.5]]

[[3, 1.5], [1, 2], [0.5, 0.5]]

[[0.5, 0.5], [1, 2], [3, 1.5]]

[[0.5, 0.5], [3, 1.5], [1, 2]]

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21 In python, Valid identifier is_

अजगर में, मान्य पहचानकर्ता है_

1abc

$12a

_xy 1

@python

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22 The operator used for concatenating two strings. -

ऑपरेटर दो तारों को जोड़ने के लिए उपयोग किया जाता है। -

+

*

%

None

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23 What will be output for the following code ? import numpy as np a=np.array([2,3,4,5]) print(a.dtype)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,3,4,5]) print(a.dtype)

int32

int

float

none of these

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24 What will be the output of the following ? import numpy as np a = np.arange(1,3,.5) print(a)

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a = np.arange(1,3,.5) print(a)

[1 2 3]

[1. 1.5 2. 2.5]

[1. 1.5 2. 2.5 3]

[1 1.5 2 2.5 3]

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25 What will be the output of the following code ? f=open("demo.txt","w+") f.write("Welcome to python") f.seek(5) a=f.read(5) print(a)

निम्नलिखित कोड का आउटपुट क्या होगा? f=open("demo.txt","w+") f.write("Welcome to python") f.seek(5) a=f.read(5) print(a)

Welco

me to

Welcome to Python

e to

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