python def loop
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title: a beginner's guide to python functions and loops
introduction:
in python, functions are blocks of reusable code that perform a specific task. they allow you to organize your code into manageable and reusable chunks, enhancing readability and maintainability. loops, on the other hand, are control structures that allow you to execute a block of code repeatedly. in this tutorial, we'll explore how to define functions and use loops in python, with code examples to illustrate each concept.
let's create a simple function that adds two numbers:
2.1. for loops:
for loops are used when you have a predefined sequence (such as a list, tuple, or string) and you want to iterate over each item in that sequence. here's the basic syntax of a for loop:
let's see an example of using a for loop to iterate over a list:
output:
2.2. while loops:
while loops are used when you want to execute a block of code repeatedly as long as a condition is true. here's the basic syntax of a while loop:
let's see an example of using a while loop to print numbers from 1 to 5:
output:
conclusion:
functions and loops are fundamental constructs in python programming. functions allow you to encapsulate reusable pieces of code, while loops enable you to iterate over sequences or execute code repeatedly based on conditions. by mastering these concepts, you'll be better equipped to write clean, efficient, and maintainable python code.
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