In this post, we are going to explore the most asked Python 15 Pandas Interview Questions for Data Science. 1. How to fill nan values in pandas with zero To file values in dataframe these are the methods Replace():It can be used to replace ‘string’,’regx’,’dictionary’,’list’ fillna():It is used to fill NA/NAN using Using fillna() method …
1. What is Python dictionary? Python Dictionary is an in-built collection data type that does not contain duplicates generally known as an associative array. It is an ordered collection( As of Python version 3.7, dictionaries are ordered. But in Python version 3.6 and earlier, dictionaries are unordered). A dictionary consists of a collection of key-value …
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In this post, we are going to explore 15 Python NumPy code interview questions and answers with examples. 1. How to create a NumPy 1-D array by using a Python list We can create a NumPy array using a regular Python list NumPy provides us the array() function that is capable of creating a NumPy …
In this post,we are going to explored most asked React Interview Questions and answers 1. What is React? React is a fast front-end, open-source, popular JavaScript library developed by Facebook in 2011, which is growing in popularity with its single-page web and mobile applications architecture, It is used to build a reusable component with an …
In this post, we are going to explored most asked python Python 25 Tuple programming interview questions and answers 1. How to Sort List Of Tuples By The First Element Using Sort() function Output 2. How to Sort List Of Tuples By Second Element Output Output 4. How to remove duplicate from list of tuples …
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In this post we will explored the most asked 18 python String Programming questions and answers 1. How to reverse a sentence in Python input by User Output 2. How to find the characters at an odd position in string input by User. Output Output 4. How to remove all newline from the String. Output …
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In this post, we are going to explore most asked 25 Dictionary Programming interview questions and answers 1. What will be output of following program Output Must Read : Top 20 Dictionary Interview & Questions Pandas : 15 Most asked Python Pandas Interview question on Data filter 2. Get keys[“name”, “age”] from dictionary and create new dictionary keys values we have …
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1. JavaScript code to open a URL in new Tab. In JavaScript we use “window.open()” function to open URL in new Tab. 2. What all Mouse Events in JavaScript In JavaScript there are 9 mouse events. click: This event is fired when we do a single mouse click. dblclick: This event is fired when we …
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In this post, we will learn the 25 List Programming interview questions and answers. 1.Program to find the max, min number from the list user input. Output 2. Code to remove duplicate from list using List comprehension Output 3. Program to find the sum of list elements. Output 4. How to Multiply all the elements …
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Set 2 1.What are Boolean operators in JavaScript. Boolean operator in JavaScript return true and False based on a condition. && (and) ||(or) ! (not) 2.What is JSON and use of JSON.stringify() in JavaScript whenever we have to exchange data from browser to server it should in text only. JSON is a text, so we …