Need an application sends from paricular port

[Sambit Samal]

 Hi
>
> I am new to Python world
>
>  I need a python script , which binds at a user defind port & sends to
> other enity , which waits at particular port.
> The other enity will respond & Python script should receive that at the
> defined port
>
> The communication will happen over UDP
>
> e.g
>
> *Python Appl*
>
> IP: 10.116.78.90
> Port : 3000
>
>
> *Other Enity* :
>
> IP: 10.116.98.87
> Port : 3010
>
>
> Pyhon Appl ------------>UDP  ----> Other Enity
>                   <--------------------------
>
>
> Please help
>
>
>
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