Update app.py

app.py

@@ -31,6 +31,10 @@ def longest_common_substring(s1, s2):
 
     return s1[best_match_start:best_match_end]
 
+
+with open("dataset.txt", "r") as f:
+    lines = f.read().rstrip("\n").split("\n")[:40000]
+
 def not_found_in(q, data):
     for l in data:
         count = 0