add more functions

app.py

@@ -435,6 +435,7 @@ def process_input(smiles_input=None, file_obj=None, show_linear=False):
     
     return "No input provided.", None, None
 
+# Create Gradio interface with simplified examples
 iface = gr.Interface(
     fn=process_input,
     inputs=[
@@ -445,8 +446,7 @@ iface = gr.Interface(
         ),
         gr.File(
             label="Or upload a text file with SMILES",
-            file_types=[".txt"],
-            optional=True  # Make the file input optional
+            file_types=[".txt"]
         ),
         gr.Checkbox(
             label="Show linear representation"
@@ -478,12 +478,12 @@ iface = gr.Interface(
     examples=[
         [
             "CC(C)C[C@@H]1NC(=O)[C@@H]2CCCN2C(=O)[C@@H](CC(C)C)NC(=O)[C@@H](CC(C)C)N(C)C(=O)[C@H](C)NC(=O)[C@H](Cc2ccccc2)NC1=O",
-            gr.File.update(visible=False),  # Hide file input in examples
+            "",  # Empty string for file input
             True
         ],
         [
             "CC(C)C[C@@H]1OC(=O)[C@H](C)NC(=O)[C@H](C(C)C)OC(=O)[C@H](C)N(C)C(=O)[C@@H](C)NC(=O)[C@@H](Cc2ccccc2)N(C)C1=O",
-            gr.File.update(visible=False),  # Hide file input in examples
+            "",  # Empty string for file input
             True
         ]
     ],