O Level Exam | Online Education Platform

Log in

O Level Papers!

M3 R5: Programming and Problem Solving through Python

Set

See Explanation !

1 List is mutable and Tuple is immutable?

सूची परिवर्तनीय है और ट्यूपल अपरिवर्तनीय है?

Yes, list mutable and tuple immutable

No, list and tuple both are mutable

No, list and tuple both are in immutable

No, just opposite, list immutable and tuple mutable

Next Question

See Explanation !

2 Which operator is also called as Comparative operator?

किस ऑपरेटर को तुलनात्मक ऑपरेटर भी कहा जाता है?

Arithmetic

Relational

Logical

Assignment

Previous Question Next Question

See Explanation !

3 To use a module in another module, you must import it using an, statement

अन्य मॉड्यूल में किसी मॉड्यूल का उपयोग करने के लिए, आपको उस स्टेटमेंट का उपयोग करके इम्पोर्ट करना होगा

import

include

both (A) and (B)

none of the above

Previous Question Next Question

See Explanation !

4 Correcting the program code:

प्रोग्राम कोड को ठीक करना:

Testing

Syntax error

Runtime error

Debugging

Previous Question Next Question

See Explanation !

5 What happens when multiple if statements are used instead of if-elif?

क्या होता है जब if-elif के स्थान पर मल्टीपल if स्टेटमेंट्स का यूज़ किया जाता है?

Only the first condition is checked.

All conditions are checked, even if one is True.

It behaves the same as if-elif.

It raises an error.

Previous Question Next Question

See Explanation !

6 How can we create an empty list in Python ?

हम पायथन में एक खाली लिस्ट कैसे बना सकते हैं?

list=()

list.null

null.list

list=[]

Previous Question Next Question

See Explanation !

7 What will be the output of the following Python code snippet? a = {} a[1] = 1 a['1'] = 2 a[1]=a[1]+1 count = 0 for i in a: count += a[i] print(count)

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? a = {} a[1] = 1 a['1'] = 2 a[1]=a[1]+1 count = 0 for i in a: count += a[i] print(count)

1

2

4

Error, the keys can’t be a mixture of letters and numbers

Previous Question Next Question

See Explanation !

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]

Previous Question Next Question

See Explanation !

9 What will following code segment print? a=True b=False c=False if not a or b: print(1) elif not a or not b and c: print(2) elif not a or b or not b and a: print(3) else: print(4)

निम्नलिखित कोड सेगमेंट प्रिंट क्या होगा? a=True b=False c=False if not a or b: print(1) elif not a or not b and c: print(2) elif not a or b या not b और a: print(3) else: print(4)

1

3

2

4

Previous Question Next Question

See Explanation !

10 What will be the output of the following Python code? i = 2 while True: if i%3 == 0: break print(i) i += 2

निम्नलिखित पायथन कोड का आउटपुट क्या होगा? i = 2 जबकि सही: यदि i%3 == 0: break print(i) i = 2

2 4 6 8 10 …

2 4

2 3

error

Previous Question Next Question

See Explanation !

11 Which function is used to Writes the string(s) to the file and returns the number of characters written.

स्ट्रिंग(ओं) को फ़ाइल में लिखने के लिए किस फ़ंक्शन का उपयोग किया जाता है और लिखे गए वर्णों की संख्या बताता है।

writeline (s)

write(s)

read(s)

None

Previous Question Next Question

See Explanation !

12 np.eye() is used for creating:

np.eye() का उपयोग बनाने के लिए किया जाता है:

Identity Matrix

Upper triangle Matrix

Lower Triangle Matrix

None of the above

Previous Question Next Question

See Explanation !

13 Which of the following is a valid way to create an empty tuple?

खाली टपल बनाने के लिए निम्नलिखित में से कौन सा एक वैध तरीका है?

empty_tuple = ()

empty_tuple = tuple()

empty_tuple = []

Both A and B

Previous Question Next Question

See Explanation !

14 Find the invalid variable among the following:

निम्नलिखित में से अमान्य चर खोजें:

1st_string

my_string_1

_mySring

Webskynet

Previous Question Next Question

See Explanation !

15 Which method is used to read the entire content of a file as a string in Python?

पायथन में फ़ाइल के पूरे डाटा को स्ट्रिंग के रूप में पढ़ने के लिए किस फंक्शन का उपयोग किया जाता है?

read()

readline()

readlines()

load()

Previous Question Next Question

See Explanation !

16 Debugging is used to:

डीबगिंग का इस्तेमाल इन चीज़ों के लिए किया जाता है:

Find errors from the program

Check the functionality of the program

Black box testing

All of the above

Previous Question Next Question

See Explanation !

17 Select the reserve keyword in Python

पायथन में रिजर्व कीवर्ड का चयन करें

else

import

print

all of these

Previous Question Next Question

See Explanation !

18 Function range(10, 5, 2) will yield an iterable sequence like

फंक्शन रेंज(10, 5, 2) से एक पुनरावर्तनीय अनुक्रम प्राप्त होगा जैसे

[]

[10, 8, 6]

[2, 5, 8]

[8, 5, 2]

Previous Question Next Question

See Explanation !

19 What will happen if a for loop tries to iterate over an empty list?

यदि कोई लूप किसी एम्प्टी लिस्ट पर पुनरावृति करने का प्रयास करता है तो क्या होगा?

It will raise an IndexError.

It will iterate once with a default value of None.

It will not execute the loop body.

It will run indefinitely.

Previous Question Next Question

See Explanation !

20 What will be the output of the following Python code if the system date is: 6/19/2017 import datetime tday=datetime.date.today() tdelta=datetime.timedelta(days=10) print(tday+tdelta)

यदि सिस्टम दिनांक है: 6/19/2017 तो निम्नलिखित पायथन कोड का आउटपुट क्या होगा import datetime tday=datetime.date.today() tdelta=datetime.timedelta(days=10) print(tday+tdelta)

2017-16-19

2017-06-9

2017-06-29

Error

Previous Question Next Question

See Explanation !

21 Recursive function is

रिकर्सिव फंक्शन _______है

A function that calls itself

A function that calls other functions

Both (A) and (B)

None of the above

Previous Question Next Question

See Explanation !

22 What is list data type in python?

अजगर में सूची डेटा प्रकार क्या है?

collection of integer number

collection of string

collection of same data type

collection of different data type

Previous Question Next Question

See Explanation !

23 If a is a dictionary with some key-value pairs, what does a.popitem() do?

यदि कुछ की-वैल्यू वाले पेअर के साथ एक ड़िक्शनरी है,तो a.popitem () क्या करता है?

Removes an arbitrary element

Removes all the key-value pairs

Removes the key-value pair for the key given as an argument

Invalid method for dictionary

Previous Question Next Question

See Explanation !

24 What is the symbol used to represent start and stop of a flowchart ?

फ्लोचार्ट के प्रारंभ और ठहराव का प्रतिनिधित्व करने के लिए किस प्रतीक का उपयोग किया जाता है?

Oval

Rectangle

Arrow

Diamond

Previous Question Next Question

See Explanation !

25 Which one of these is NOT true about recursion?

इनमें से कौन सा पुनरावृत्ति के बारे में सही नहीं है?

We can replace a recursive function by a non-recursive function.

The memory space taken by the recursive functions is more than that of non-recursive function,

Running a recursive function is faster as compared to a non-recursive function.

The process of recursion makes it easier for users to understand a program.

Previous Question