Add application file

app.py

@@ -1,11 +1,13 @@
 import gradio as gr
 
-def greet(sale):
-  df = pd.read_csv('result' )
+def greet(name):
+  df = pd.read_csv('result')
+  a = "-1"
   for i in range(len(df)):
-      if(df['customer'].iloc[i] == sale) :
-         return df['most_likely to buy'].loc[i]
-  return -1        
+      if(df['customer'].iloc[i] == name) :
+          a = df['most_likely to buy'].loc[i]
+          return a
+  return a        
 
 iface = gr.Interface(fn=greet, inputs="int", outputs="text")
 iface.launch()