Python Lambda Expressions Summary: in this tutorial, you’ll learn about Python lambda expressions and how to use them to write anonymous functions. Sometimes, you need to write a simple function that contains one expression. However, you need to use this function once. And it’ll unnecessary to define that function with the def keyword. That’s where…
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Python Recursive Functions Summary: in this tutorial, you’ll learn about Python recursive functions and how to use them to simplify your code. Introduction to recursive functions A recursive function is a function that calls itself until it doesn’t. The following fn() function is a recursive function because it has a call to itself: def…
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Python Keyword Arguments Summary: in this tutorial, you’ll learn about the Python keyword arguments, and how to use them to make function calls more obvious. Introduction to the Python keyword arguments Let’s start with a simple function that calculates the net price from the selling price and discount: def get_net_price(price, discount): return price * (1-discount)…
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Python Default Parameters Summary: in this tutorial, you’ll learn about the Python default parameters to simplify function calls. Introduction to Python default parameters When you define a function, you can specify a default value for each parameter. To specify default values for parameters, you use the following syntax: def function_name(param1, param2=value2, param3=value3, …): Code language:…
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Python Functions Summary: in this tutorial, you’ll learn to develop Python functions by using the def keyword. What is a function A function is a named code block that performs a job or returns a value. Why do you need functions in Python Sometimes, you need to perform a task multiple times in a program.…
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Python pass Summary: in this tutorial, you’ll learn how to use the Python pass statement as a placeholder. Introduction to the Python pass statement Suppose that you have the following if…else statement: counter = 1 max = 10 if counter <= max: counter += 1 else: # implement later Code language: Python (python) In the…
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Python continue Summary: in this tutorial, you’ll learn about the Python continue statement and how to use it to control the loop. Introduction to the Python continue statement The continue statement is used inside a for loop or a while loop. The continue statement skips the current iteration and starts the next one. Typically, you…
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Python break Summary: in this tutorial, you’ll learn about the Python break statement and how to use it to exit a loop prematurely. Introduction to the Python break statement Sometimes, you wan to terminate a for loop or a while loop prematurely regardless of the results of the conditional tests. In these cases, you…
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Python while Summary: in this tutorial, you’ll learn about the Python while statement and how to use it to run a code block as long as a condition is true. Introduction to the Python while statement Python while statement allows you to execute a code block repeatedly as long as a condition is True. The…
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Python for Loop with Range Summary: in this tutorial, you’ll learn about the Python for loop and how to use it to execute a code block a fixed number of times. Introduction to Python for loop statement with the range() function In programming, you often want to execute a block of code multiple times. To…
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