关于字符分割给不同的文件.（零基础学python的29讲）

寂寞帝路

1.如果代码是这样：
def split_file(file_name):
    f = open(file_name)
    boy =[]
    girl =[]
    count = 1
    for each_line in f:
        if each_line[:6] != '======':
            (role,talk) = each_line.split(':',1)
            if role == '小甲鱼':
                boy.append(talk)
            if role == '小客服':
                girl.append(talk)
        else:
            save_file(boy,girl,count)
            boy = []
            girl = []
            count += 1
    save_file(boy,girl,count)
    f.close()

def save_file(boy,girl,count):
    boy_newfile_1 ='boy_'+str(count)+'.txt'
    girl_newfile_2 = 'girl_'+str(count)+'.txt'
    boytalk = open(boy_newfile_1,'w')
    girltalk = open(girl_newfile_2,'w')
    boytalk.writelines(boy)
    girltalk.writelines(girl)
    boytalk.close()
    girltalk.close()
   
   
split_file('record.txt')
程序能顺利运行。

2.但代码是这样的话就不行：
def split_file(file_name):
    f = open(file_name)
    boy =[]
    girl =[]
    count = 1
    for each_line in f:
        if each_line[:6] != '======':
            (role,talk) = each_line.split(':',1)
            if role == '小甲鱼':
                boy.append(talk)
            if role == '小客服':
                girl.append(talk)
        else:
            save_file()
            boy = []
            girl = []
            count += 1
    save_file()
    f.close()

def save_file():
    boy_newfile_1 ='boy_'+str(count)+'.txt'
    girl_newfile_2 = 'girl_'+str(count)+'.txt'
    boytalk = open(boy_newfile_1,'w')
    girltalk = open(girl_newfile_2,'w')
    boytalk.writelines(boy)
    girltalk.writelines(girl)
    boytalk.close()
    girltalk.close()
   
   
split_file('record.txt')

问题：为什么代码2中 def save_file()与save file()少了‘boy，girl，count’三个参数就不能运行？

yanyongyu

boy,girl,count都是局部变量