Unable to read window file in pycharm

I am trying to refer data file in pyspark program written on pycharm installed on my window machine. But I am unable to read. please help. I written below code in pycharm but it is failing
from pyspark import SparkConf,SparkContext
conf = SparkConf().
setMaster(“local”).
setAppName(“Daily Revenue”).
set(“conf.ui.port”,“12901”)
sc = SparkContext(conf=conf)
orders = sc.textFile(“C:/pyspark/data/retail_db/orders”)
print(str(orders.count()))