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Python also supports object-oriented programming and is most commonly used to perform general-purpose programming.ĭue to its simplistic nature and the ability to achieve multiple functionalities in fewer lines of code, python’s popularity is growing tremendously. This makes it easy for developers to learn python.
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It is also a free and open-source language with very simple and clean syntax. It is one of the most widely-used and loved programming languages and is interpreted in nature thereby providing flexibility of incorporating dynamic semantics. Python was developed by Guido van Rossum and was released first on February 20, 1991. How will you access the dataset of a publicly shared spreadsheet in CSV format stored in Google Drive? While combining, if you find the same keys, you can add the values of these same keys. Write a Program to combine two different dictionaries. Write a Program to convert date from yyyy-mm-dd format to dd-mm-yyyy format. Write a Program to match a string that has the letter ‘a’ followed by 4 to 8 'b’s. Write a Program to solve the given equation assuming that a,b,c,m,n,o are constants:
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Write a Program to add two integers >0 without using the plus operator. Write a program to check and return the pairs of a given array A whose sum value is equal to a target value N. Write a program for counting the number of every character of a given text file. WAP (Write a program) which takes a sequence of numbers and check if all numbers are unique. Write python function which takes a variable number of arguments. What is main function in python? How do you invoke it? Differentiate between deep and shallow copies. Are there any tools for identifying bugs and performing static analysis in python? What are the differences between pickling and unpickling? Can you easily check if all characters in the given string is alphanumeric? What are some of the most commonly used built-in modules in Python? Differentiate between a package and a module in python. How will you find the shape of any given NumPy array? How will you reverse the numpy array using one line of code? 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?
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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?
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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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