Am Donnerstag, 28. Dezember 2017 14:00:14 UTC+1 schrieb Chris Angelico: > On Thu, Dec 28, 2017 at 11:06 PM, Nico Vogeli <nicco.9...@gmail.com> wrote: > > Am Donnerstag, 28. Dezember 2017 12:59:24 UTC+1 schrieb Chris Angelico: > >> On Thu, Dec 28, 2017 at 8:38 PM, Nico Vogeli <nicco.9...@gmail.com> wrote: > >> > Withs test, this return a correct value for the two x functions: > >> > > >> > from sympy import symbols > >> > > >> > x = symbols('x') > >> > f1 = eval(input('function 1 ')) > >> > f2 = eval(input('function 2 ')) > >> > > >> > >> What are you typing as input? It's hard to grok your code without knowing > >> that. > >> > >> ChrisA > > > > I'm sorry! User input would look like this for example: x**2 + 3*x or x**3 > > > > Cool. That's an expression, but it isn't a function. To make that into > a function, you need to prefix it with the lambda keyword. > > So you should be able to construct functions like this: > > f1 = eval("lambda x: " + input("function 1: ")) > > Then, when you type "x**3", Python evaluates "lambda x: x**3", which > is a function. > > ChrisA
Thank you very much! It now works perfectly fine now!! Thank you! Nicco -- https://mail.python.org/mailman/listinfo/python-list