Advanced Python Developer Interview Questions

What are the benefits of Python?

The benefits of Python are as follows:

  • Speed and Productivity: Utilizing the productivity and speed of Python will enhance the process control capabilities and possesses strong integration.
  • Extensive Support for Libraries: Python provides a large standard library that includes areas such as operating system interfaces, web service tools, internet protocols, and string protocols. Most of the programming tasks are already been scripted in the standard library which reduces effort and time.
  • User-friendly Data Structures: Python has an in-built dictionary of data structures that are used to build fast user-friendly data structures.
  • Existence of Third-Party Modules: The presence of third-party modules in the Python Package Index (PyPI) will make Python capable to interact with other platforms and languages.
  • Easy Learning: Python provides excellent readability and simple syntaxes to make it easy for beginners to learn.
  • Advanced Python Interview Questions for Experienced Developers

  • Lambda form
  • Pickling
  • Python
  • Dynamically typed language
  • Interpreted language
  • ScopeÂ
  • PEP 8Â
  • Lists
  • Tuples
  • Dictionary
  • Pass
  • Module
  • Package
  • try
  • exceptÂ
  • raise
  • finally
  • Namespace
  • Inheritance
  • What are the advantages of using Python?
  • What are the disadvantages of using Python?
  • Name and explain the following in Python:
  • Different types of sequences
  • Common built-in data types
  • Copy an object in Python
  • Convert a string to a number
  • Send an email from a Python Script
  • Why is PEP 8 important?
  • Explain how Python is executed.
  • How do we pass arguments by value or reference?
  • Differentiate between .py and .pyc files.
  • How would you randomize a list’s items in place?
  • Describe the correct usage of error handling in Python.
  • 1 What is the difference between .py and .pyc files?

    py files are Python source files. .pyc files are the compiled bytecode files that are generated by the Python compiler

    Advanced Python Interview Questions for Experienced Professionals

    A lambda function is an anonymous function (a function that does not have a name) in Python. To define anonymous functions, we use the ‘lambda’ keyword instead of the ‘def’ keyword, hence the name ‘lambda function’. Lambda functions can have any number of arguments but only one statement.

    For example:


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    8 How do you identify missing values and deal with missing values in Dataframe?


    isnull() and isna() functions are used to identify the missing values in your data loaded into dataframe.

    Handling missing Values:

    There are two ways of handling the missing values :

    Replace the missing values with 0

    Replace the missing values with the mean value of that column

    4 How do we convert the string to lowercase?

    the lower() function is used to convert string to lowercase.


    Which one of the following is not the correct syntax for creating a set in Python?

    Explanation: The argument given for the set must be iterable.

    What is the Dogpile effect?

    This is defined as an occurrence of an event when the cache expires and also when the websites are hit with more requests by the client at a time. This dogpile effect can be averted by the use of a semaphore lock. If in the particular system the value expires then, first of all, the particular process receives the lock and begins generating new value.

    8 What is pandas?

    Pandas is an open source python library which supports data structures for data based operations associated with data analyzing and data Manipulation . Pandas with its rich sets of features fits in every role of data operation,whether it be related to implementing different algorithms or for solving complex business problems. Pandas helps to deal with a number of files in performing certain operations on the data stored by files.

    Top 15 Python Interview Questions | Python Interview Questions And Answers | Intellipaat

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