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Added front to indicate the starting of the Queue

Front variable is added so that dequeue can be done any number of times.Without front,it displays only self.entries[0] as dequeued.
R
RGauthamRam committed
7e267551400f123643efba0bfcde2ae00b130f83
Parent: f5fc930
Committed by GitHub <noreply@github.com> on 9/3/2017, 5:03:24 PM