Function to deltete all the Even Parity Nodes from the singly circular linked list
def delteteEvenParityNodes ( head ) : NEW_LINE INDENT if ( head == None ) : NEW_LINE INDENT return head ; NEW_LINE DEDENT if ( head == head . next ) : NEW_LINE INDENT if ( isEvenParity ( head . data ) ) : NEW_LINE INDENT head = None ; NEW_LINE DEDENT return head ; NEW_LINE DEDENT ptr = head ; NEW_LINE next = None NEW_LINE DEDENT