š Functions in programming are a group of related statements that perform a specific task, helping to divide a program into smaller, more manageable parts.
š Creating functions in Python involves using the 'def' keyword, followed by the function name, empty parenthesis, and a colon. The function body is defined with an indentation.
š To bring a function into action, it needs to be called by using its name followed by empty parentheses.
āØ Functions in Python allow us to organize and reuse code.
š After calling a function, the program jumps to the function header and executes the statements inside. Once the task is completed, the program returns to the function call.
ā ļø Functions need to be defined before they can be called. Calling a function before it is defined will result in an error.
š” Python functions allow us to define reusable blocks of code.
š§ Functions can accept arguments, which are values passed to the function when called.
š Once the function completes its execution, control returns to the point where the function was called.
Using the return statement inside a function allows us to find the sum of numbers and assign the result to a variable.
When a return statement is encountered, the program control goes back to the place from where the function is called.
User-defined functions can be created in Python, but there are also built-in functions like print and float.
Python has numerous built-in functions that make programming easier.
Examples of built-in functions include len() and sum().
You can create your own functions to solve specific problems.
The video explains how to calculate the average of a list of marks using Python functions.
It also demonstrates how to determine a grade based on the average marks.
The code provided in the video calculates the average marks of a given list and determines the corresponding grade.
Functions are a block of code that perform a specific task and can be called multiple times with different values.
Parameters and arguments can be passed to functions to customize their behavior.
The return statement is used to exit a function and return a value.
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