Apparently without TCO :( File "<input>", line 1, in fac File "<input>", line 1, in fac File "<input>", line 1, in fac RuntimeError: maximum re

Apparently without TCO :( File "<input>", line 1, in fac File "<input>", line 1, in fac File "<input>", line 1, in fac RuntimeError: maximum recursion depth exceeded =>