Python

Question 1

What are diffierent type of datatypes in python?

Answer 1

integer, float, string, boolean, list, dictionary, sets, tuples

Question 2

How to calculate mode and power in python?

Answer 2

%, **

Question 3

Is it possible to assign different data types to same variable?

Answer 3

yes

Question 4

How to reverse string?

Answer 4

s = hardik
s_reversed = s[::-1]

Question 5

How to get every alternate character?

Answer 5

s = hardik
s_alternate = s[::2]

Question 6

Indexes in string? are they mutable?

Answer 6

yes

Question 7

How to split a sentence?

Answer 7

Split()

Question 8

What are different methods for a string?

Answer 8

None

Question 9

explain what is .format and f’ format? What is the difference?

Answer 9

None

Question 10

Can we store different datatypes in list? How to add a value to a list

Answer 10

None

Question 11

Explain indexing in list

Answer 11

None

Question 12

List at least five methods for list

Answer 12

None

Question 13

How do I index a nested list? For example if I want to grab 2 from [1,1,[1,2]]?

Answer 13

None

Question 14

Define Dictionaries? Write one dictionary

Answer 14

None

Question 15

How to assign values in dictionary

Answer 15

None

Question 16

List key mehtonds for dictionary

Answer 16

None

Question 17

What is set in python and how to create a sets?

Answer 17

None

Question 18

Explain use of boolean datatypes

Answer 18

None

Question 19

How to create file inside Jupyter notebook?

Answer 19

None

Question 20

How to read a file? What happens if you read again?

Answer 20

None

Question 21

What is the use of myfile.seek() method?

Answer 21

None

Question 22

Why to use readlines() method?

Answer 22

None

Question 23

In windows why there are to back slash?

Answer 23

None

Question 24

What is the use of myfile.close()? How to avoid it? (with open)

Answer 24

None

Question 25

What are different modes for opening file?

Answer 25

None

Question 26

List all comparison operators

Answer 26

None

Question 27

Write example if statement

Answer 27

None

Question 28

Write example for loop

Answer 28

None

Question 29

Write example while?

Answer 29

None

Question 30

When to use for loop vs While loop?

Answer 30

None

Question 31

What is unpacking? Which function can be used?

Answer 31

None

Question 32

Explain Enumerate

Answer 32

None

Question 33

Explain Zip

Answer 33

None

Question 34

Explain Range

Answer 34

None

Question 35

what happens if list length is uneven

Answer 35

None

Question 36

What is the use of "IN" operator?

Answer 36

None

Question 37

How to input some values? What is data type of input value?

Answer 37

None

Question 38

Random library - shuffle, randint functions

Answer 38

None

Question 39

Write sqaure of in a range?

Answer 39

None

Question 40

Write list comprehension to find prime numbers

Answer 40

None

Question 41

Write if else in list comprehension

Answer 41

None

Question 42

Assign default value to a function.

Answer 42

None

Question 43

How to pass unlimted arguments as list and dictionary?

Answer 43

None

Question 44

Nested statement and scope - LEGB

Answer 44

None

Question 45

What is global keyword? How is it used?

Answer 45

None

Question 46

explain - def __init__ method in class

Answer 46

None

Question 47

What is self method,? why is it passed to class

Answer 47

None

Question 48

Explain inheritance? Give example of it.

Answer 48

``` class dog(Animal): def __init__(self): Animal. __init__(self) ```

Question 49

Explain a scenario where you would use inheritance?

Answer 49

None

Question 50

Is it possible to pass multiple classes?

Answer 50

None

Question 51

polymorphism - Explain a scenairo where you would use it..

Answer 51

exaple of animal classes .. cat, dog making different sound

Question 52

Explain abstract class

Answer 52

None

Question 53

Explain special/dunder/magic methods in class.. why is it used

Answer 53

``` def __str__(): def__len__() etc ```

Question 54

What is use of pypi pakcage

Answer 54

None

Question 55

how to install new python package?

Answer 55

None

Question 56

List the keywords used for handling exceptions

Answer 56

try, except, else, finally

Question 57

how to catch all other exceptions

Answer 57

None

Question 58

List atleast five builtin exceptions

Answer 58

None

Question 59

What are decorators in python? Explain its use.

Answer 59

None

Question 60

Explain use of generators. Create one Generator

Answer 60

None