diff --git a/src/go/transpositiontable.py b/src/go/transpositiontable.py
new file mode 100644
--- /dev/null
+++ b/src/go/transpositiontable.py
@@ -0,0 +1,13 @@
+class TranspositionTable:
+	def __init__(self,capacity=2**20):
+		self._capacity=capacity
+		self._table=[None]*capacity
+
+	def put(self,key,val):
+		self._table[key%self._capacity]=(key,val)
+
+	def get(self,key):
+		res=self._table[key%self._capacity]
+		if res is None: return None
+		elif res[0]==key: return res[1]
+		else: return None