Decorate with parameter
import decor_param
@decor_param.tron('foo')
def fibo(n):
if n in (1,2):
return 1
return fibo(n-1) + fibo(n-2)
print(fibo(5))
foo Calling fibo(5)
foo Calling fibo(4)
foo Calling fibo(3)
foo Calling fibo(2)
foo Calling fibo(1)
foo Calling fibo(2)
foo Calling fibo(3)
foo Calling fibo(2)
foo Calling fibo(1)
5