added caching

app.py

@@ -89,20 +89,22 @@ def display_movie_card(df, index):
     st.write("----------------------")
 
 
-reqs={}
+reqs= st.session_state["reqs"] if "reqs" in st.session_state else {}
+
 @st.cache_data
 def getnums(df,size=10,text=''):
     if text in reqs:
         return reqs[text]
     else:
         reqs[text]=list(np.random.randint(len(df), size=size))
+        st.session_state["reqs"] = reqs
         return reqs[text]
 
 
 input_search = st.text_input('Search')
 
-for i in getnums(movies):
-    display_movie_card(movies, i)
+for i in getnums(movies,text=input_search):
+    display_movie_card(movies, i )