Update app.py

app.py

@@ -4,6 +4,7 @@ import uvicorn
 
 # Gradio Interface
 history = []
+current_input = ""
 
 def gradio_calculate(a, b, operation):
     request = CalculationRequest(a=a, b=b, operation=operation)
@@ -12,23 +13,37 @@ def gradio_calculate(a, b, operation):
     history.append(f"{a} {operation} {b} = {result}")
     return "\n".join(history)
 
+def update_input(digit):
+    global current_input
+    current_input += str(digit)
+    return current_input
+
+def clear_input():
+    global current_input
+    current_input = ""
+    return current_input
+
+def backspace():
+    global current_input
+    current_input = current_input[:-1]
+    return current_input
+
 def create_interface():
     with gr.Blocks() as demo:
-        a = gr.Number(label="A")
-        b = gr.Number(label="B")
+        a = gr.Number(label="A", interactive=True)
+        b = gr.Number(label="B", interactive=True)
         result = gr.Textbox(label="Result", lines=10, interactive=False)
+        current = gr.Textbox(label="Current Input", interactive=False)
+
+        with gr.Row():
+            for i in range(10):
+                gr.Button(str(i)).click(lambda x=i: update_input(x), inputs=[], outputs=current)
+            gr.Button("Back").click(backspace, inputs=[], outputs=current)
+            gr.Button("Clear").click(clear_input, inputs=[], outputs=current)
 
         with gr.Row():
-            gr.Button("0").click(lambda x: x + "0", inputs=result, outputs=result)
-            gr.Button("1").click(lambda x: x + "1", inputs=result, outputs=result)
-            gr.Button("2").click(lambda x: x + "2", inputs=result, outputs=result)
-            gr.Button("3").click(lambda x: x + "3", inputs=result, outputs=result)
-            gr.Button("4").click(lambda x: x + "4", inputs=result, outputs=result)
-            gr.Button("5").click(lambda x: x + "5", inputs=result, outputs=result)
-            gr.Button("6").click(lambda x: x + "6", inputs=result, outputs=result)
-            gr.Button("7").click(lambda x: x + "7", inputs=result, outputs=result)
-            gr.Button("8").click(lambda x: x + "8", inputs=result, outputs=result)
-            gr.Button("9").click(lambda x: x + "9", inputs=result, outputs=result)
+            gr.Button("Set A").click(lambda x: float(current_input), inputs=[], outputs=a)
+            gr.Button("Set B").click(lambda x: float(current_input), inputs=[], outputs=b)
 
         with gr.Row():
             gr.Button("Add").click(lambda a, b: gradio_calculate(a, b, "add"), inputs=[a, b], outputs=result)