Common Methods July

#-*-coding:utf8-*-ImportstringImportRe#------------------Cut, replace string----------------------------------------s ='ASDASDGKD'Dictdata="{' name ': ' Hello ', ' age ':"#String.Replace Replacement S replaces ASD with spaces 1 timesS1 = String.Replace (S,"ASD","", 1)#re.sub Regular ReplacementS2 = re.sub ("^ASD","", s)#Split slice string with the result of listS3 = S.split ("DG")#eval () converts a string to dict if the string is inside a dictionary resultS5 =eval (dictdata)PrintS1,S2,S3,S5#----------------------------------------------------------#-----------------------Testing website encoding-----------------------------------#Detection URL ... CodingRawData = Urllib.urlopen ('http://www.baidu.com/'). Read ()#detect if the connection is successfulResdata = Requests.get ("http://www.baidu.com") d=Chardet.detect (rawdata) e=ResdataPrintDPrinte#----------------------------------------------------------#-------------------The For loop to traverse the build list---------------------------------------#Concise for Loops = ["s={},b={},c={}". Format (str (i), str (i+1), str (i+2)) forIinchRange (20,61,20)]Prints#----------------------------------------------------------#-----------------------time, time stamp-----------------------------------Import TimeImportdatetime#get current time accurate to microsecondsPrintDateTime.Now ()#time Gets the current timestampPrinttime.time ()#datetime, converting a number to a time formats = Datetime.datetime (2012,6,22)#Mktime converts any time to timestamps, using Timetuple to convert time formats into middlewarePrintTime.mktime (S.timetuple ())#Strftime converts timestamps into time formats, using localtime to convert timestamps into middlewaret = time.strftime ('%y-%m-%d', Time.localtime (1467274020.29259))PrintT#----------------------------------------------------------#----------------------URL encoding------------------------------------ImportChardetImportUrllib#change the key value of a dictA = {'a':'%e9%b8%bf%e6%98%9f%e5%b0%94%e5%85%8b','b':{'C':'B1'}}#Pop, delete one of the content keys and values in DictA.pop ('b')#Check E's character encoding e is URL encoded, detected to be ASCIIE = a['a']PrintChardet.detect (e)#unquote, convert URL encoding to Chinese, quote method UTF8 to URL encodings =Urllib.unquote (e)PrintChardet.detect (Urllib.unquote (e))#UTF8PrintS#English#The quote method encodes the UTF8 to URL and detects that it is ASCIIPrintUrllib.quote (s)#URL encodingPrintChardet.detect (Urllib.quote (s))#ASCII#----------------------------------------------------------#--------------two list-> composed of tuple-> into list-> traversal generation Dict------------------URL = ['page={}'. Format (str (i)) forIinchRange ()]val= Range (1,3)#the zip generates a tuple of tuples until the group is not a tuple and then a list of listsURLV =Zip (url,val)#Looping list Generation DictUrldict = Dict ((urls,val) forUrls,valinchurlv)Printurldict#----------------------------------------------------------

Common Methods July