#-*-coding:utf8;-*-
#qpy:3
#qpy:console

def print_list(head):
    if head:
        print(head.data)
        print_list(head.next)
fc4eecda156a95bfa3475eedf6a9ed98c1054271
<mask token>

def print_list(head):
    if head:
        print(head.data)
        print_list(head.next)

#-*-coding:utf8;-*-
#qpy:3
#qpy:console

def print_list(head):
    if head:
        print(head.data)
        print_list(head.next)