docs(gen_ai): Add Dedicated Samples for Flash-Lite/Pro

Author: holtskinner

genai/text_generation/textgen_with_txt_2_0_flash_lite.py

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+# Copyright 2025 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
+#
+#    https://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.
+
+
+def generate_content() -> str:
+    # [START googlegenaisdk_textgen_with_txt_2_0_flash_lite]
+    from google import genai
+
+    client = genai.Client()
+    response = client.models.generate_content(
+        model="gemini-2.0-flash-lite",
+        contents="How does AI work?",
+    )
+    print(response.text)
+    # Example response:
+    # Okay, let's break down how AI works. It's a broad field, so I'll focus on the ...
+    #
+    # Here's a simplified overview:
+    # ...
+    # [END googlegenaisdk_textgen_with_txt_2_0_flash_lite]
+    return response.text
+
+
+if __name__ == "__main__":
+    generate_content()

genai/text_generation/textgen_with_txt_2_0_pro.py

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+# Copyright 2025 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
+#
+#    https://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.
+
+
+def generate_content() -> str:
+    # [START googlegenaisdk_textgen_with_txt_2_0_pro]
+    from google import genai
+
+    client = genai.Client()
+    response = client.models.generate_content(
+        model="gemini-2.0-pro-exp-02-05",
+        contents="How does AI work?",
+    )
+    print(response.text)
+    # Example response:
+    # Okay, let's break down how AI works. It's a broad field, so I'll focus on the ...
+    #
+    # Here's a simplified overview:
+    # ...
+    # [END googlegenaisdk_textgen_with_txt_2_0_pro]
+    return response.text
+
+
+if __name__ == "__main__":
+    generate_content()