PYTHON CODING

def pack(f):

def wrap(x): return (f(x), x)

return wrap

@pack

def square(x): return x ** 2

print(square(3)[1])

[Running] python3 -u "/Users/name/test/test39.py"

3

[Done] exited with code=0 in 0.051 seconds

#PythonCoding #VSC

Try it.