Deal with lowercase

app.py

@@ -8,8 +8,8 @@ english_dict = pd.read_csv("corncob_lowercase.txt",
 english_dict = english_dict.reset_index(drop = True)
 english_dict = english_dict.dropna()
 def spell_bee_solver(no_centre, centre):
-    full_set = set(no_centre + centre)
-    spell_bee_solver = english_dict[english_dict['word'].str.contains(str(centre), regex = False)]
+    full_set = set(no_centre.lower() + centre.lower())
+    spell_bee_solver = english_dict[english_dict['word'].str.contains(str(centre.lower()), regex = False)]
     final_words = list()
     for i in range(0, spell_bee_solver.shape[0]):
         words = spell_bee_solver['word'].iloc[i]