Show an example of using closure using Python.
""" A Simple Example of closure in python A closure is function which returns another function. For example, the ``constant`` function here returns, ``_inner`` function. At the top level you passed the value and calling the inner function from within, it is not required to send the value. """ def constant(value): def sq(x): return x*x def _inner(): return sq(value) return _inner x = constant(5) print((x()))