The function of Python reading notes

Definition of a function

def square_sum (A+b)

c = a**2+b**2

Print C

function is to find the sum of squares of two numbers

Return can return multiple values, which is equivalent to returning a tuple

Return A,b,c

In Python, when the program executes to return, the program stops executing the remaining statements within the function. Return is not required, and the function will automatically return none when there is no return, or there are no returned values after return . None is a special data type in Python that indicates nothing , equivalent to NULL in C. None is used for the default value passed by the keyword parameter.

function calls and parameter passing

The function of Python reading notes