init

stockpredictor_back/crawler/sQLite/MovingAverage.py

@@ -0,0 +1,33 @@
+
+class MovingAverage(object):
+	def __init__(self, max):
+		self.queue = []
+		self.max = max
+
+	def dequeue(self):
+		length = len(self.queue)
+		if length == 0 or length < self.max:
+			return -1
+		return self.queue.pop(0)
+
+	def enqueue(self, n):
+		length = len(self.queue)
+		if length == self.max:
+			self.dequeue()
+
+		self.queue.append(n)
+		pass
+
+	def sum(self):
+		sum = 0
+		for item in self.queue:
+			sum += item
+		return sum
+
+	def avg(self):
+		length = len(self.queue)
+		total = self.sum()
+		return round(total / length, 2)
+
+	def print(self):
+		print(self.sum(), self.queue)