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M3 R5: Programming and Problem Solving through Python

Set

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1 What is the use of seek() method in files?

फाइलों में seek() फंक्शन का क्या उपयोग है?

sets the file's current position at the offset

sets the file's previous position at the offset

sets the file's current position within the file

None of these

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2 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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3 What will be the output of the following Python code? print('a B'.isalpha())

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? print(' a B'.isalpha ())

True

False

None

Error

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4 What is the output of following Python code? >>print(5*(2//3))

निम्नलिखित पायथन कोड का आउटपुट क्या है? >>print(5*(2//3))

3.3

error

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5 What is the return type of following function ? def func1(): return 'mnp',22 print(type(func1()))

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? def func1(): return 'mnp',22 print(type(func1()))

List

Dictionary

String

Tuple

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6 Which of the following are valid escape sequences in Python ?

पायथन में निम्नलिखित में से कौन से मान्य एस्केप सीक्वेंस हैं?

All of the above

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7 What is the output of the following program: print ("Hello World"[::-1])

निम्नलिखित प्रोग्राम का आउटपुट क्या है: PRINT (" Hello World "[::-1])

dlroW olleH

Hello Worl

error

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8 What will be the output of the following ? import numpy as np a=np.array([2,4,1]) b=a.copy() a[1]=3 print(b

निम्नलिखित कोड का आउटपुट क्या होगा? import numpy as np a=np.array([2,4,1]) b=a.copy() a[1]=3 print(b

[2 4 1]

[2 3 1]

[3 4 1]

[2 4 3]

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9 Which of these in not a core data type in python?

इनमें से कौन सा पायथन में कोर डेटा प्रकार नहीं है?

Lists

Dictionary

Tuples

Class

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10 In the declaration, x = Circle (), x contains a _to Circle object. -

घोषणा में, x = Circle (), x में a_to Circle ऑब्जेक्ट है। -

dropna()

Reference

Optimisers

None of these

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11 What is the output of the following program: i = 0 while i < 3: print (i) i=i+1 print (i+1)

निम्नलिखित प्रोग्राम का आउटपुट क्या है: i = 0 while i < 3: print (i) i=i+1 print (i+1)

0 2 1 3 2 4

0 1 2 3 4 5

Infinite loop

0 1 2 3

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12 which one is the correct syntax to create an array of type float?

फ्लोट प्रकार की सरणी बनाने के लिए सही सिंटैक्स क्या है?

arr=np.float([1,2,3,4])

arr=np.array([1,2,3,4]).toFloat()

arr=np.array([1,2,3,4],dtype='float')

arr=np.farray([1,2,3,4])

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13 What is the output of the following? m=0 while m<5: m+=1 if m==3: break else: print(0)

निम्नलिखित का आउटपुट क्या है? m=0 while m<5: m+=1 if m==3: break else: print(0)

0 1 2 0

0 1 2

0 0 1 0 2

error

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14 What will be the output of the following Python code? a=["Apple","Ball","Cobra"] a.sort(key=len) print(a)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? a=["Apple","Ball","Cobra"] a.sort(key=len) print(a)

[‘Apple’, ‘Ball’, ‘Cobra’]

[‘Ball’, ‘Apple’, ‘Cobra’]

[‘Cobra’, ‘Apple’, ‘Ball’]

Invalid syntax for sort()

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15 What is the output of the following statement ? print ((2, 4) + (1, 5))

निम्नलिखित कोड का परिणाम क्या है ? print ((2, 4) + (1, 5))

(2 , 4), (4 , 5)

(3 , 9)

(2, 4, 1, 5)

Invalid Syntax

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16 Which of the following will never be displayed on executing print(random.choice({0: 1, 2: 3}))?

निम्नलिखित में से कौन सा प्रिंट निष्पादित करने पर कभी प्रदर्शित नहीं होगा (random.choice ({0: 1, 2: 3}))?

KeyError: 1

none of the mentioned

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17 Which amongst this is not a jump statement ?

इनमें से कौन सा कथन जंप कथन नहीं है?

for

goto

continue

break

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18 ____ statement used for error checking. -

____ कथन त्रुटि की जाँच के लिए उपयोग किया जाता है। -

Assert

List

Tuple

None of these

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19 What will be the output of the following python code? from math import * floor(11.7)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? from math import * floor(11.7)

11.0

none of these

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20 Which of the following statements is used to check if a file exists in Python?

निम्नलिखित में से किस फंक्शन का उपयोग यह जांचने के लिए किया जाता है कि कोई फ़ाइल पायथन में मौजूद है या नहीं?

file_exists()

exists_file()

os.path.exists()

check_file()

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21 What will be the output of the following Python code? def m(list): v = list[0] for e in list: if v < e: v = e return v values = [[3, 4, 5, 1], [33, 6, 1, 2]] for row in values: print(m(row), end = " ")

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? def m(list): v = list[0] for e in list: if v < e: v = e return v values = [[3, 4, 5, 1], [33, 6, 1, 2]] for row in values: print(m(row), end = " ")

3 33

1 1

5 6

5 33

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22 Which syntax would print every other item from the array below: arr = np.array([1,2,3,4,5,6,7])

कौन सा सिंटैक्स नीचे दिए गए सरणी से हर दूसरे आइटम को प्रिंट करेगा: arr = np.array([1,2,3,4,5,6,7])

print(arr[1:3:5:7])

print(arr[::2])

print(arr(0:step=2))

print(arr[2:2:2])

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23 When we open file in append mode the file pointer is at the of the file?

जब हम फाइल को एपेंड मोड में खोलते हैं तो फाइल पॉइंटर फाइल के ____ पर होता है?

anywhere in between the file

End

beginning

second line of the file

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24 The data structure which is a mutable ordered sequence of elements is called

डेटा संरचना जो तत्वों का एक परिवर्तनशील क्रमबद्ध अनुक्रम है, कहलाती है

Built in

List

Tuple

Derived data

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25 What will the following code output? print(1==1.0)

निम्नलिखित कोड आउटपुट क्या होगा? print(1==1.0)

True

False

Error

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