update fpGrowth.py 更新has_key写法

has_key在Python3中的语法已经去除。用in来代替
MJGao · Jun 1, 2018 · 9dee2d8 · 9dee2d8
1 parent 99a059c
commit 9dee2d8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/py3.x/ML/12.FrequentPattemTree/fpGrowth.py b/src/py3.x/ML/12.FrequentPattemTree/fpGrowth.py
@@ -52,7 +52,7 @@ def loadSimpDat():
 def createInitSet(dataSet):
     retDict = {}
     for trans in dataSet:
-        if not retDict.has_key(frozenset(trans)):
+        if frozenset(trans) not in retDict.keys():
             retDict[frozenset(trans)] = 1
         else:
             retDict[frozenset(trans)] += 1