Python递归

people_list=['jack','rose','erick','peter','mirle','fiti','lee']

def digui(li):

    people=people_list.pop()
    if len(people_list)==0:
        return '没有人知道路！'
    if people=='peter':
        return  '%s说：我知道，就在天河路!'%people

    return digui(people_list)

res=digui(people_list)
print(res)