![]() ![]() How will you find the nearest value in a given numpy array? How will you sort the array based on the Nth column? How will you read CSV data into an array in NumPy? How will you efficiently load data from a text file? How will you delete the second column and replace the column with a new column value? You are given a numpy array and a new column as inputs. What are the steps to create 1D, 2D and 3D arrays? How are NumPy arrays advantageous over python lists? While importing data from different sources, can the pandas library recognize dates? ![]() How will you get the items that are not common to both the given series A and B? Can you get items of series A that are not available in another series B? How will you delete indices, rows and columns from a dataframe? How to add new column to pandas dataframe? What do you understand by reindexing in pandas? How will you identify and deal with missing values in a dataframe? Can you create a series from the dictionary object in pandas? How will you combine different pandas dataframes? How will you check if a class is a child of another class? Differentiate between new and override modifiers. Is it possible to call parent class without its instance creation? How do you access parent members in the child class? How does inheritance work in python? Explain it with an example. What are negative indexes and why are they used? Explain split() and join() functions in Python? How are arguments passed by value or by reference in python? ![]() What is the use of help() and dir() functions? What is the difference between xrange and range in Python? What is lambda in Python? Why is it used? What are Python namespaces? Why are they used?
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