diff --git a/src/main/py/logical_operations.py b/src/main/py/logical_operations.py
new file mode 100644
index 0000000..9edc386
--- /dev/null
+++ b/src/main/py/logical_operations.py
@@ -0,0 +1,30 @@
+def identity_disconjunctive(first_input, second_input):
+    if first_input == 1 and second_input == 1:
+        return None
+    elif first_input == 0 and second_input == 0:
+        return 0
+    else:
+        return 1
+
+
+def identity_conjunctive(first_input, second_input):
+    if first_input == 1 and second_input == 1:
+        return 1
+    elif first_input == 0 and second_input == 0:
+        return None
+    else:
+        return 0
+
+
+def identity(first_input, operator, second_input):
+    if operator == "+":
+        return identity_disconjunctive(first_input, second_input)
+    else:
+        return identity_conjunctive(first_input, second_input)
+
+
+def one_zero(first_input, second_input):
+    if first_input == 0 and second_input == 0:
+        return None
+    else:
+        return 1
diff --git a/src/test/py/test_logical_operations.py b/src/test/py/test_logical_operations.py
new file mode 100644
index 0000000..b5c441b
--- /dev/null
+++ b/src/test/py/test_logical_operations.py
@@ -0,0 +1,50 @@
+import unittest
+from src.main.py.logical_operations import *
+
+
+class calculationsWithRoots(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def test_identity_1_or_0_equals_1(self):
+        self.assertEqual(identity(1, "+", 0), 1)
+
+    def test_identity_1_or_1_equals_None(self):
+        self.assertEqual(identity(1, "+", 1), None)
+
+    def test_identity_0_or_1_equals_1(self):
+        self.assertEqual(identity(0, "+", 1), 1)
+
+    def test_identity_0_or_0_equals_0(self):
+        self.assertEqual(identity(0, "+", 0), 0)
+
+    def test_identity_0_and_0_equals_None(self):
+        self.assertEqual(identity(0, ".", 0), None)
+
+    def test_identity_1_and_0_equals_0(self):
+        self.assertEqual(identity(1, ".", 0), 0)
+
+    def test_identity_0_and_1_equals_0(self):
+        self.assertEqual(identity(0, ".", 1), 0)
+
+    def test_identity_1_and_1_equals_1(self):
+        self.assertEqual(identity(1, ".", 1), 1)
+
+    def test_one_zero_1_or_1_equals_1(self):
+        self.assertEqual(one_zero(1, 1), 1)
+
+    def test_one_zero_0_or_1_equals_1(self):
+        self.assertEqual(one_zero(0, 1), 1)
+
+    def test_one_zero_1_or_0_equals_1(self):
+        self.assertEqual(one_zero(1, 0), 1)
+
+    def test_one_zero_0_or_0_equals_None(self):
+        self.assertEqual(one_zero(0, 0), None)
+
+
+if __name__ == "__main__":
+    unittest.main()