Python Most Frequently Asked Questions for interview and viva

Interview Questions for Python

Question : 1

What is the difference between a keyword and an identifier?

Question : 2

What are literals in Python? How many types of Literals allowed in Python?

Question : 3

How many types of sequences are supported in Python?

Question : 4

What factors guide the choice of identifiers in program?

Question : 5

What is the difference between an expression and a statement in Python?

Question : 6

What are tokens in Python? How many types of tokens allowed in Python?

Question : 7

What is the role of indentation in Python?

Question : 8

What are data types? What are Python built in core data types?

Question : 9

Which data types of Python handle Numbers?

Question : 10

What do you understand by term immutable?

Question : 11

What are mutable and immutable types in Python? List both of them.

Question : 12

What are augmented assignment operators? How are they useful?

Question : 13

Why are logical errors harder to locate?

Question : 14

What is an Exception?

Question : 15

Why is Exception Handling is required?

Question : 16

What is the need for debugger tool?

Question : 17

What are main error types? Which types are most dangerous and why?

Question : 18

What is a difference between an error and exception?

Question : 19

What is debugging and code tracing?

Question : 20

What are nested Lists?

Question : 21

Discuss the utility and significance of Lists.

Question : 22

What is the purpose of the del operator and pop method? Try deleting a slice.

Question : 23

What are list slices?

Question : 24

What do you understand by true copy of a list? How is it different from shallow copy?

Question : 25

What do you understand by immutability?

Question : 26

How are Tuples different from Lists when both are sequences?

Question : 27

Discuss the utility and significance of Tuples.

Question : 28

How can you say that a tuple is an ordered list of objects?

Question : 29

How are dictionaries different from Lists?

Question : 30

When are dictionaries more useful than lists?

Question : 31

Discuss the utility and significance of Dictionaries.

Question : 32

Why is a dictionary termed as an unordered collection of objects?

Question : 33

How is clear() function different from del Statement?

Question : 34

What is the significance of modules?

Question : 35

What is dot notation of referring to objects inside a module?

Question : 36

What is a function? How is it useful?

Question : 37

What is Pandas library of Python? What is its significance?

Question : 38

How is Series data structure different from a DataFrame data structure?

Question : 39

What is a DataFrame object? How it is created in Python?

Question : 40

What are advantages of CSV file formats?

Question : 41

What is sqlite3 library of Python?

Question : 42

Can nongraphic characters be used in Python ? How ? Give examples to support your answer.

Question : 43

What is a cross-platform software?

Question : 44

What are the advantages of Python programming language?

Question : 45

What are some limitations of Python programming language?

Question : 46

In how many different ways, can you work in Python?

Question : 47

What are advantages/disadvantages of working in Interactive mode in Python?

Question : 48

What are the advantages/disadvantages of working in script mode in Python?

Question : 49

How are keywords different from identifiers ?

Question : 50

How are floating constants represented in Python ? Give examples to support your answer.

Question : 51

How are string-literals represented and implemented in Python ?

Question : 52

What are operators ? What is their function ? Give examples of some unary and binary operators.

Question : 53

What is an expression and a statement ?

Question : 54

What all components can a Python program contain ?

Question : 55

What do you understand by block/code block/suite in Python ?

Question : 56

What are variables ? How are they important for a program ?

Question : 57

What do you understand by undefined variable in Python ?

Question : 58

What is Dynamic Typing feature of Python ?

Question : 59

What is the common structure of Python compound statements?

Question : 60

What is the importance of the three programming constructs?

Question : 61

What is empty statement in Python? What is its need?

Question : 62

Which Python statement can be termed as empty statement?

Question : 63

What is an algorithm?

Question : 64

What is a flowchart? How is it useful?

Question : 65

What is entry-controlled loop?

Question : 66

What are the four elements of a while loop in Python?

Question : 67

What is the difference between else clause of if-else and else clause of Python loops?

Question : 68

In which cases, the else clause of a loop does not get executed?

Question : 69

What are jump statements? Name them.

Question : 70

How and when are named conditions useful?

Question : 71

What are endless loops ? Why do such loops occur?

Question : 72

How is break statement different from continue?