Programming 

Python List insert() Method

How can you insert an element at a given index in a given list? Python’s insert() method is your friend. This tutorial shows you everything you need to know to help you master an essential method of the most fundamental container data type in the Python programming language. Definition and Usage: The list.insert(i, element) method adds an element element to an existing list at position i. All elements j>i will be moved by one index position to the right. Here’s a short example: >>> lst = [1, 2, 3, 4]…

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Programming 

Python List extend() Method

How can you not one but multiple elements to a given list? Use the extend() method in Python. This tutorial shows you everything you need to know to help you master an essential method of the most fundamental container data type in the Python programming language. Definition and Usage The list.extend(iter) method adds all elements in the argument iterable iter to an existing list. Here’s a short example: >>> lst = [1, 2, 3] >>> lst.extend([4, 5, 6]) >>> lst [1, 2, 3, 4, 5, 6] In the first line…

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Programming 

Python List append() Method

How can you add more elements to a given list? Use the append() method in Python. This tutorial shows you everything you need to know to help you master an essential method of the most fundamental container data type in the Python programming language. Definition and Usage The list.append(x) method—as the name suggests—appends element x to the end of the list. Here’s a short example: >>> l = [] >>> l.append(42) >>> l [42] >>> l.append(21) >>> l [42, 21] In the first line of the example, you create the…

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java 

How to Convert a Lambda Expression to Method Reference in Java 8?

If you have been coding in Java 8 then you may know that using method reference in place of lambda expression makes your code more readable, hence it is advised to replace lambda expression with method reference wherever possible. But, the big question is, how do you find whether you can replace a lambda with method reference? Yes, it's not that easy, especially if you have been using Java 8 only for a couple of months and struggling to get the functional programming concepts and idioms sorted in your head. Sometimes,…

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java 

Method overloading in the JVM

Welcome to the new Java Challengers blog! This blog is dedicated to challenging concepts in Java programming. Master them and you will be well on your way to becoming a highly skilled Java programmer. The techniques in this blog take some effort to master, but they’ll make a great difference in your daily experience as a Java developer. Avoiding bugs is easier when you know how to properly apply core Java programming techniques, and tracking bugs is much easier when you know exactly what is happening on your Java code.…

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Python Find Method

Let us learn what is Python find method and how to implement the Python string find() function in multiple ways with examples, explanation and much more. What is Python Find Method? The find() method returns the index or position of the substring passed within the method arguments if the substring is found. If the substring… Read More » The post Python Find Method appeared first on CodingAlpha.

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