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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 snippet? d = {"john":40, "peter":45} print(list(d.keys()))

निम्नलिखित पायथन कोड स्निपेट का आउटपुट क्या होगा? d = {"john":40, "peter":45} print(list(d.keys()))

[“john”, “peter”]

[“john”:40, “peter”:45]

(“john”, “peter”)

(“john”:40, “peter”:45)

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2 Which type of errors flagged by compilers

किस प्रकार की त्रुटि को compilers द्वारा चिह्नित किया जाता है

Logical errors

Syntax errors

Both Logical and Syntax errors

None of these

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3 What will be the result of the expression 10 or 0 ?

अभिव्यक्ति 10 या 0 का परिणाम क्या होगा?

0

1

10

1.0

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4 Which of the following function returns True if the string is non empty and has all uppercase alphabets.

निम्नलिखित में से कौन सा फ़ंक्शन सही बताता है यदि स्ट्रिंग खाली नहीं है और सभी अपरकेस वर्णमाला हैं।

islower()

isupper()

Islower()

None

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5 What will the following code output? print(chr(98))

निम्नलिखित कोड आउटपुट क्या होगा? print(chr(98))

a

b

A

B

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6 What does the input() function do in Python?

पायथन में इनपुट() फ़ंक्शन क्या करता है?

Displays a message to the user.

Receives input from the user as an integer.

Receives input from the user as a string.

Both A and C

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7 A function used for writing data in the binary format:

बाइनरी प्रारूप में डेटा राइटिंग के लिए उपयोग किया जाने वाला फंक्शनः

write

output

send

dump

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8 What will be the output of the following Python code? import time print(time.asctime())

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? import time print(time.asctime())

Current date only

UTC time

Current date and time

Current time only

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9 The symbol used for both input and output is a _____ .

इनपुट और आउटपुट दोनों के लिए उपयोग किया जाने वाला प्रतीक _____ है।

parallelogram

Diamond shape

Circle shape

None of the above

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10 Which operator is used in Python to import modules from packages?

पैकेज से मॉड्यूल आयात करने के लिए पायथन में किस ऑपरेटर का उपयोग किया जाता है?

.

*

->

&

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11 Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]?

मान लीजिए d = {“john”:40, “peter”:45}, तब क्या होता है जब हम d[“susan”] अभिव्यक्ति का उपयोग करके मान प्राप्त करने का प्रयास करते हैं?

Since “susan” is not a value in the set, Python raises a KeyError exception

It is executed fine and no exception is raised, and it returns None

Since “susan” is not a key in the set, Python raises a KeyError exception

Since “susan” is not a key in the set, Python raises a syntax error

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12 What will be the output of the following Python code snippet? total={} def insert(items): if items in total: total[items] += 1 else: total[items] = 1 insert('Apple') insert

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? total={} def insert(items): if items in total: total[items] += 1 else: total[items] = 1 insert('Apple') insert('Ball')

3

1

2

0

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13 Which of the following will return reverse string str1?

निम्नलिखित में से कौन रिवर्स स्ट्रिंग str1 लौटाएगा?

str1[ : : -1 ]

str1[ : : 1 ]

str1[ : -1 : -1 ]

None

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14 Which statement will return one line from a file (file object is f) ?

कौन सा स्टेटमेंट फ़ाइल (file object is 'f) से एक पंक्ति प्रस्तुत करेगा |

f.readlines()

f.readline()

f.read()

f.line()

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15 What will be the output of the following Python code snippet? print('abef'.replace('cd', '12'))

निम्नलिखित पायथन कोड स्निपेट का आउटपुट क्या होगा? print(' abef '.replace (' cd ', '12 '))

abef

12

error

none of the mentioned

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16 If a=(1,2,3,4), a[1:-1] is _________

यदि a = (1,2,3,4), एक [1: -1] _________ है

Error, tuple slicing doesn’t exist

[2,3]

(2,3,4)

(2,3)

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17 The process of finding errors in code is called as

कोड में त्रुटियों को खोजने की प्रक्रिया को कहा जाता है

Compiling

Running

Testing

Debugging

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18 What are the attributes of numpy array?

Numpy सरणी के गुण क्या हैं?

shape, dtype, ndim

objects, type, list

objects, non vectorization

Unicode and shape

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19 Which NumPy function returns the cumulative sum of elements?

कौन सा फ़ंक्शन NumPy तत्वों का संचयी योग बताता है?

np.sum()

np.cumsum()

np.add()

np.cumadd()

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20 Which statement is correct

कौन सा कथन सही है

List is mutable & Tuple is immutable

List is immutable & Tuple is mutable

Both List and Tuple are Mutable

Both List and Tuple are Immutable

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21 What will be the value of p when p= int(17/2+11.5)?

जब p = int(17/2 11.5) होगा तो p का मान क्या होगा?

20

20.0

28

28.0

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22 What is the return type of function id?

फ़ंक्शन आईडी का रिटर्न प्रकार क्या है?

int

float

bool

dict

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23 Which statement will move file pointer 10 bytes backward from current position.

कौन सा स्टेटमेंट फाइल पॉइंटर को वर्तमान स्थिति से 10 बाइट पीछे ले जाएगा ।

f.seek(-10, 0)

f.seek(10,0)

f.seek(-10, 1)

None of the above

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24 What will be the output of the following expression ? print (7//2) print (-7//2)

निम्नलिखित अभिव्यक्ति का आउटपुट क्या होगा? print (7//2) print (-7//2)

3 -3

4 -4

3 -4

3 3

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25 What happens if a local variable exists with the same name as the global variable you want to access?

यदि कोई लोकल वैरिएबल वैसा ही नाम के साथ मौजूद है जैसा कि ग्लोबल वैरिएबल जिसे आप एक्सेस करना चाहते हैं?

Error

The local variable is shadowed

Undefined behavior

The global variable is shadowed

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