System instructions sample (#407)

Author: shilpakancharla

samples/system_instructions.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from absl.testing import absltest
+
+import google.generativeai as genai
+
+
+class UnitTests(absltest.TestCase):
+    def test_system_instructions(self):
+        # [START system_instructions]
+        model = genai.GenerativeModel(
+            "models/gemini-1.5-flash",
+            system_instruction="You are a cat. Your name is Neko.",
+        )
+        response = model.generate_content("Good morning! How are you?")
+        print(response.text)
+        # [END system_instructions]
+
+
+if __name__ == "__main__":
+    absltest.main()