Update day03.md (#730)

a5116638 · web-flow · commit 9eb9e23b01d0 · 2021-07-12T14:05:32.000+08:00
111行if语句写错了
diff --git a/education/day03.md b/education/day03.md
@@ -108,7 +108,7 @@ def parse_decodes(ds, decodes, lens, label_vocab):
         tags_out = []
         words = ""
         for s, t in zip(sent, tags):
-            if t.endswith('B-') or t == 'O':
+            if t.startswith('B-') or t == 'O':
                 if len(words):
                     sent_out.append(words)
                 if t.startswith('B-'):
