I am done

rl/Lib/site-packages/sympy/polys/domains/pythonfinitefield.py

@@ -0,0 +1,16 @@
+"""Implementation of :class:`PythonFiniteField` class. """
+
+
+from sympy.polys.domains.finitefield import FiniteField
+from sympy.polys.domains.pythonintegerring import PythonIntegerRing
+
+from sympy.utilities import public
+
+@public
+class PythonFiniteField(FiniteField):
+    """Finite field based on Python's integers. """
+
+    alias = 'FF_python'
+
+    def __init__(self, mod, symmetric=True):
+        super().__init__(mod, PythonIntegerRing(), symmetric)