In the previous articles, you have seen various types of functions. Function either return a value or nothing. In this article, you will learn about functions that return a None. The None is the only value that belong to None Type.When Python Functions Return NoneThere are a number of situations when a python function returns … Read more
While writing a python function and using it in your program, you get lot of errors such typing wrong name of the function, changing the order of definition and function calls, wrong parameters, less parameters(parameter mismatch) and scope errors.Wrong Function Definition and Function Call OrderIn python programming one of the most common error is calling … Read more
Python programming allows function to take some parameters and compute them and return a value. This is very efficient method of programming when it clearly defined what inputs a function will take and what output it returns.Python Program That Compute Sum Of Two MatrixIn this example, we will create two matrix using lists and use … Read more
In the previous example, you have seen that python can take no parameter and return some value. In this example, you will learn that a function can take some parameter and output the results without returning the value.Python Program To Reverse a StringIn this example, we will accept a string as parameter and then reverse … Read more
In this article, you will learn about functions that does not take any parameters, but does return a value. The returned value can be used for further computation.Function That Returns Sum of a List of NumbersIn this example, you will create a list of numbers and then sum the numbers in the list and return … Read more
In the last article, we have seen how a user-defined function is created. The user-defined function has two parts – the function definition and the function call.The function definition may or may not have parameters and it may or may not return a value.In this article, you will see an example of python function with … Read more
So far we have seen many programs which ran sequentially, means executed the lines of codes in a linear manner. We have also seen blocks of code such as if-then-else and loops such as for-loop and while-loop. In this article , you learn about python functions.Once thing is common to all of these codes, that … Read more
In previous lessons, you learned about different types of loops such as for loop, while loop and for-each loop. Each of the loop terminate successfully. What if you want your loop to exit in between execution, or you want to skip some of the iterations. There are three keywords in python programming that does that … Read more
A python nested loop is loop with in a loop. Python programming allows you to create such loops. Now the choice of loops is totally up to the programmer. You can for-loop inside for-loop, for-loop inside while-loop, while-loop inside a while and so on.Therefore, various combination of loop is possible with deep levels of nesting.In … Read more
Casting means changing a data type to another. It is popular in many programming languages like C/C++, Java, etc. Python also supports the type casting and it is done using casting functions. In python, there are two primary casting operations you can do and they are: Change string to other types such as Integer, Float, … Read more
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