Pandas is an important library in Python. It is used for data science projects. If you are applying for a data engineer or data scientist job, you can be asked questions on Pandas in interview.
These are some of the popular questions asked in a Pandas interview.
- What is a Series in Pandas?
- How can we create copy of series in Pandas?
- How will you create a series from dict in Python?
- What are operations on Series in pandas?
- What is a DataFrame in pandas?
- What are the different ways in which a DataFrame can be created in Pandas?
- How will you create an empty DataFrame in pandas?
- How will you add a column to a pandas DataFrame?
- How will you add a scalar column with same value for all rows to a pandas DataFrame?
- How will you retrieve a single column from pandas DataFrame?
- How will you add the value of two columns in a pandas DataFrame to create another column?
- How will you delete a column in a pandas DataFrame?
- How can we select a column in pandas DataFrame?
- How can we retrieve a row in pandas DataFrame?
- How will you slice rows in a pandas DataFrame?
- How will you append new rows to a pandas DataFrame?
- How will you delete rows from a pandas DataFrame?
- How will you get the number of rows and columns of a DataFrame in pandas?
- How will you get the top 2 rows from a DataFrame in pandas?
- How will you get the last 2 rows from a DataFrame in pandas?
- How will you get the number of elements in a DataFrame in pandas?
- How will you get the names of columns of a DataFrame in pandas?
- How will you convert a DataFrame to an array in pandas?
- How can you check if a DataFrame is empty in pandas?
- How can you get the sum of values of a column in pandas DataFrame?
- How will you get the average of values of a column in pandas DataFrame?
- How can we get the statistical summary of data in a pandas DataFrame?
- How will you apply a function to every data element in a DataFrame?
- How will you apply a function to a row of pandas DataFrame?
- How will you apply a function to a column of pandas DataFrame?
- What is reindexing in pandas?