Add embedding sample (#397)

* Add embedding sample

* Add batch embedding sample

Author: shilpakancharla

samples/embed.py

@@ -0,0 +1,43 @@
+# -*- 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
+import google.generativeai as genai
+import pathlib
+
+class UnitTests(absltest.TestCase):
+    def test_embed_content(self):
+        # [START embed_content]
+        text = "Hello World!"
+        result = genai.embed_content(model="models/text-embedding-004",
+                                     content=text)
+        print(result['embedding'])
+        print()
+        # [END embed_content]
+
+    def batch_embed_content(self):
+        # [START batch_embed_content]
+        texts = ["What is the meaning of life?",
+                 "How much wood would a woodchuck chuck?",
+                 "How does the brain work?"]
+        result = genai.embed_content(model="models/text-embedding-004",
+                                     content=texts)
+        print(result)
+        print()
+        # [END batch_embed_content]
+
+if __name__ == "__main__":
+    absltest.main()