"""
==> when we need to execute a function with any number of parameters, there we need to use variable length
arguments in a function.
==> variable length arguments can use
    Syntax:
            function(*args)
"""
def orderDetails(name,*items):
    print("The Order Placed By:",name)
    for i in items:
        print(i)

orderDetails("ravi","Biryani","Chicken 65","Chicken BBQ Pizza")
orderDetails("karthik")
====================================================================

def studentRecord(*args):
    print("The Student data = ")
    for i in args:
        print(i)

studentRecord("Kumar",101,"section4","91.21%",'A')
studentRecord("Kumar",101)
studentRecord()
====================================================
Q: I want create a function without any implementation, is it possible?
If possible how?

Yes

def function():
    pass
function()

==========================================
class DigitalCalculator:
    def addition(self):
        a = 123
        b = 321
        print("The Sum = ",a+b)

    def integration(self):
        pass

obj = DigitalCalculator()
obj.addition()
obj.integration()