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Top Python Tricky Interview Questions

by Sneha Shukla

One of the best-loved programming languages, Python, is interpreted, allowing for dynamic semantics to be incorporated. A free and open-source language with a clean and straightforward syntax is also clear to learn. Developers can quickly learn Python as a result of this. For general-purpose programming, Python supports object-oriented programming, but it is most commonly used.

Python’s popularity is rising because of its simplicity and ability to accomplish multiple functions in a small amount of code. As a result, Python is used in various fields, including Machine Learning, Artificial Intelligence, Web Development, Web Scraping, and more. Because of this, Python developers are in high demand in India and worldwide, resulting in everyone’s interest in python training. Companies are willing to provide these developers with a wide range of perks and benefits.

These questions and answers are the most frequently asked in python interviews.


  1. What is Python?

A general-purpose, high-level, interpreted programming language, Python is called Python. With the appropriate tools and libraries, one can use it to create nearly any type of application. Objects, modules, threads, exception-handling, and automatic memory management are all features of Python that are used to model real-world problems and build applications to solve these problems.


  1. What are some of the advantages of working with Python?

A programming language with a simple, easy-to-learn syntax that emphasizes readability reduces the cost of program maintenance. Python is a general-purpose programming language. Furthermore, the language is scriptable, open-source, and supports third-party packages, encouraging modularity and code reusability.

A large developer community uses it for Rapid Application Development and deployment because of its high-level data structures, dynamic typing, and dynamic binding.


  1. What is an Interpreted language?


The statements of an Interpreted language are executed one at a time. Python, Javascript, R, PHP, and Ruby are examples of Interpreted languages. An interpreted language program runs directly from the source code, without a compilation step in the development process.


  1. What is the significance of PEP 8?


Python Enhancement Proposal (PEP) is the acronym for this. A PEP is an official design document in the Python community that provides information or describes a new feature. PEP 8 is particularly important because it lays out the Python code style guidelines. According to the Python open-source community, it appears that adherence to these style guidelines is a prerequisite for participation in the community. You can learn more deeply about it during the python training. 


  1. What is Scope in Python?


A scope is defined for each object in Python. Things in Python remain relevant in a Python scope. In a program, each object is identified by its namespace. On the other hand, Namespaces can use their things without prefixing them with the suffix. There are several examples of Python code scopes that are found in the following:


Local content refers to the current function’s local objects.


A global scope refers to all objects that have been available from the beginning of the program’s execution. When a module-level scope is used, it refers to all global entities in the current module available to the program.


Every possible built-in name is included in an outermost scope. The names of the objects in this scope are searched for last.


  1. What are lists and tuples? What is the difference between them?


To store a collection of Python objects, you can use either Lists or Tuples. A variety of data types are stored in both sequences. Square brackets [‘sara’, 6, 0.19] are used to represent lists, while parentheses [‘ansh’, 5, 0.97] are used to represent tuples.There is no significant difference between the two. Tuples can’t be changed, while lists can be reordered and added to at any point in time. A tuple is not a list and cannot be altered in any way.


  1. In Python, what does “pass” mean?

In Python, the pass keyword is used to represent a null operation. Code that may be executed at runtime but has not yet been written is commonly filled in using this technique. If the code below doesn’t contain a pass statement, we risk encountering runtime errors.


  1. In Python, what are the terms “modules” and “packages” used to mean?

There is a possibility to write modular code in Python using the Python package and module mechanisms. Python files with a.py extension can contain functions, classes, or variables defined and implemented in the module. The import statement allows them to be imported and initialized only once. Using the from foo import bar, you can import the necessary classes or functions if you only need a portion of their functionality.

The module namespace can be hierarchically organized using dot notation thanks to the use of packages. Similar to how modules prevent global variable names from conflicting, packages avoid names of the module from conflicting.


It’s simple to create a package because it uses the system’s built-in file structure. Because the folder name is the package name, you can put all the modules in a single directory. Modules and their contents are only imported by adding the package name as a dot-separated prefix to the module name. Want to learn more about Python and get a career? Get into python training. 


  1. In Python, what do the terms globally, protected, and privately refer to? 


A global variable is a public variable that is defined at a worldwide level of abstraction. The global keyword is used within a function to access a variable in the global scope.

An underscore is prefixed to the identifier of a protected attribute, like _sara. It’s still possible to access and modify them outside the class defined, but a responsible developer should avoid doing so.


Double underscores prefixed to the identifier of a personal attribute, like __ansh. Externally, they are inaccessible and will result in an AttributeError if they are attempted.


  1. In Python, what does “self” mean?


Self is a Python keyword for defining a specific instance of an object. Unlike in Java, where it is an optional argument, it is required as the first parameter in Python. It makes it easier to distinguish between a class’s methods and attributes and its local variables. These are some of the basic questions you need to consider while taking python training. 

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