def factorial(x): if x == 1: return 1 else: return (x * factorial(x-1))num = 3print("The factorial of", num, "is", factorial(num)) Output:The factorial of 3 is 6 Check out this Python Cheat Sheet by Intellipaat How to Call a Function in Python In Python, calling functions...
Again, there’s a way to accomplish this that many would consider more typically Pythonic using str.join(): Python >>> "".join(["cat", "dog", "hedgehog", "gecko"]) 'catdoghedgehoggecko' Now consider an example using the binary multiplication operator (*). The factorial of the pos...
Learn how to handle various types of errors in Python with examples. Enhance your coding expertise by mastering error identification and resolution techniques.
Use math.exp() to Get Euler’s Number in PythonThe module math also has a function called exp() that returns the value of e to the power of the number. Compared to math.e, the exp() function performs considerably faster and includes code that validates the given number parameter.For...
It is another in-built function in Python that helps end-users to give input. Programmers can get the data of the end-users. But only the older version ofPython, i.e., Python 2.x version, supports this in-built function. The function accepts only those inputs that end-users enter usi...
code fragments. timeit.timeit() in particular can be called directly, passing some Python code in a string. Here’s an example: Python >>> from timeit import timeit >>> timeit("factorial(999)", "from math import factorial", =10) 0.0013087529951008037 When the statement is passed as...
In python, the range() function essentially is used with the for loop, it returns a sequence of numbers that begin and end as per the limits specified within the function. For eg: The code snippet below, runs a for loop ranging from lower limit = 0 to upper limit = 10 (exclusive)....
In this example, the functioncalculate_factorial()is designed to calculate the factorial of a given numbern. So when we run it, let's say forn = 5, it runs without any problem but gives an output of24instead of120. The reason is a logical error in the code that causes it to produce...
Let’s consider a simple example of calculating the factorial of a number using tail recursion in Python: def factorial(n, result=1): if n == 0: return result else: return factorial(n - 1, result * n) Advantages of Tail Recursion: Tail recursion allows for efficient memory utilization....
$number = $_POST['num']; /*number to get factorial */ $fact = 1; for($k=1;$k<=$number;++$k) { $fact = $fact*$k; } echo "Factorial of $number is ".$fact; } ?> <!DOCTYPE html> Factorial of any number Number : View Demo Share Tags: How To Find A Fa...