#定義函數(shù)get_filedata從文件中取值
def get_filedata(filename):
    try:
        with open(filename)  as f:        #with語句打開和自動(dòng)關(guān)閉文件
            data=f.readline()                 #從文件中逐行讀取字符
            data_list=data.strip().split(',')   #將字符間的空格清除后，用逗號(hào)分隔字符
            return({
                    "name" : data_list.pop(0),
                    "date_of_birth" : data_list.pop(0),
                    "times" : str(sorted(set([modify_time_format(s) for s in data_list]))[0:3])
                    })                                #使用字典將關(guān)聯(lián)的姓名，出生年月，時(shí)間鍵和值進(jìn)行存儲(chǔ)并返回
    except IOError as ioerr:
        print ('File Error' + str(ioerr))     #異常處理，打印錯(cuò)誤
        return (None)

#定義函數(shù)modify_time_format將所有文件中的時(shí)分表達(dá)方式統(tǒng)一為“分.秒”
def modify_time_format(time_string):
    if "-" in time_string:
        splitter="-"
    elif ":" in time_string:
        splitter=":"
    else:
        splitter="."
    (mins, secs)=time_string.split(splitter) #用分隔符splitter分隔字符后分別存入mins和secs
    return (mins+ '.' +secs)

#定義函數(shù)get_prev_three返回文件中排名前三的不重復(fù)的時(shí)間成績
def get_prev_three(filename):
    new_list=[modify_time_format(each_t) for each_t in get_filedata(filename)]   #采用列表推導(dǎo)將統(tǒng)一時(shí)分表達(dá)方式后的記錄生成新的列表
    delete_repetition=set(new_list)                                                                     #采用集合set函數(shù)刪除新列表中重復(fù)項(xiàng)，并生成新的集合
    in_order=sorted(delete_repetition)                                                               #采用復(fù)制排序sorted函數(shù)對(duì)無重復(fù)性的新集合進(jìn)行排序
    return (in_order[0:3])     

#輸出james的排名前三的不重復(fù)成績和出生年月
james = get_filedata('james2.txt')
print (james["name"]+"'s fastest times are: " + james["times"])
print (james["name"] + "'s birthday is: "  + james["date_of_birth"])

#輸出julie的排名前三的不重復(fù)成績和出生年月
julie = get_filedata('julie2.txt')
print (julie["name"]+"'s fastest times are: " + julie["times"])
print (julie["name"] + "'s birthday is: "  + julie["date_of_birth"])

#輸出mikey的排名前三的不重復(fù)成績和出生年月
mikey = get_filedata('mikey2.txt')
print (mikey["name"]+"'s fastest times are: " + mikey["times"])
print (mikey["name"] + "'s birthday is: "  + mikey["date_of_birth"])

#輸出sarah的排名前三的不重復(fù)成績和出生年月
sarah = get_filedata('sarah2.txt')
print (sarah["name"]+"'s fastest times are: " + sarah["times"])
print (sarah["name"] + "'s birthday is: "  + sarah["date_of_birth"])

#定義類AthleteList繼承python內(nèi)置的list
class AthleteList(list):
    def __init__(self, name, dob=None, times=[]):
        list.__init__([])
        self.name=name
        self.dob=dob
        self.extend(times)
    def get_prev_three(self):
        return (sorted(set([modify_time_format(t) for t in self]))[0:3])

def get_filedata(filename):
    try:
        with open(filename)  as f:        #with語句打開和自動(dòng)關(guān)閉文件
            data=f.readline()                 #從文件中逐行讀取字符
            data_list=data.strip().split(',')   #將字符間的空格清除后，用逗號(hào)分隔字符
            return(
                   AthleteList(data_list.pop(0), data_list.pop(0), data_list)
                   )                                #使用字典將關(guān)聯(lián)的姓名，出生年月，時(shí)間鍵和值進(jìn)行存儲(chǔ)并返回
    except IOError as ioerr:
        print ('File Error' + str(ioerr))     #異常處理，打印錯(cuò)誤
        return (None)

def modify_time_format(time_string):
    if "-" in time_string:
        splitter="-"
    elif ":" in time_string:
        splitter=":"
    else:
        splitter="."
    (mins, secs)=time_string.split(splitter) #用分隔符splitter分隔字符后分別存入mins和secs
    return (mins+ '.' +secs)

james = get_filedata('james2.txt')
print (james.name+"'s fastest times are: " + str(james.get_prev_three()))

julie = get_filedata('julie2.txt')
print (julie.name+"'s fastest times are: " + str(julie.get_prev_three()))

mikey = get_filedata('mikey2.txt')
print (mikey.name+"'s fastest times are: " + str(mikey.get_prev_three()))

sarah = get_filedata('sarah2.txt')
print (sarah.name+"'s fastest times are: " + str(sarah.get_prev_three()))