Python data type

"  def capitalize (self): Capital letter" Print ("Hello"). Capitalize ())

"Def Center (self, Width, fillchar=none): Content centered, Width: total length; Fillchar: padding content in blank, default No"

Print ("*". Center (page, "!")) "Def count (self, sub, Start=none, End=none): Number of subsequence ' A =" Yueoe we "Print (A.count (" E ", 0, 5) "Decode Code" "A =" [email protected] "B = a.encode (encoding = ' GBK ') print (b) ' Def expandtabs (self, tabsize=none): t AB convert spaces, default 8 spaces ' A = ' abc\tdef ' Print (A.expandtabs (1)) ' Find (self, sub, start=none, End=none) find sub-sequence position, if not found, return-1 "a = "ABCABCDDD" Print (A.find ("B", 4, 8) "Def index (self, sub, Start=none, End=none) looking for sub-sequence position, if not found, error" a = "abcabcddd" Print (A.index ("B", 4, 8) "Def join (self, iterable) connection" ' str = "-" seq = "abc" Print (Str.join (seq)) # with "-" Connection "abc" "Def Ljust (self, width, fillchar=none) content left-aligned, right-filled "print" ("abc". Ljust ("*")) ' Def lstrip (self, chars=none) remove left blank " Print ("Def". Lstrip ()) "IsDigit () true:unicode number, byte digit (single byte), Full width digit (double byte), Roman numeral false: Kanji digit error: no Isdecimal () True: Unicode digits, full-width digits (double-byte) false: Roman numerals, Chinese numerals error:byte digits (single byte) isnumeric () True:unicode digits, full-width digits (double-byte), Roman numerals, Chinese numerals false: no error: byte digit (single byte) "" "Def Lower (self): variable lowercase ' print (" AbCdef ". Lower ())" Def Swapcase (self): case Conversion ' Print ("AbCdeF". Swapcase ()) "Def isupper (self) is uppercase" print ("ABC"). Isupper ()) print ("ABc". Isupper ()) "Def partition (self, SEP): Split, before, in, and after three sections ' Print (" Abcdefghijk ". Partition (" EF ")) #" EF "Splits the string into three parts, the second part is its own print (" Abcdefghijk ". Partition (" O ")) # no" O "is found and the first part is all shown, the second and third parts are divided into empty ' Def split (self, sep=none, Maxsplit=none) split, maxsplit up to several "print" ("Abc-def-hij-kmn". Split ("-", 2)) ' Def splitlines (self, keepends=false): str1 = ' ab c\n\nde fg\rkl\r\n ' # default newline character is not split according to line break print (Str1.splitlines ()) str2 = ' ab c\n\nde fg\rkl\r\n ' # if True, then Keep line break print (Str2.splitlines (True)) "Def Replace" (self, old, new, Count=none), count is the maximum number of replacements ' Print (" abcdefabc123abc456 ". Replace (" abc "," T ")) Print (" abcdefabc123abc456 ". Replace (" abc "," T ", 2)) # Replaces no more than 2" def StartsWith (self, prefix, Start=none, End=none): Whether to start "print" ("Boreas". StartsWith ("B")) Print ("Boreas". StartsWith ("E ", 3, 5)) # from position 3-5 see if" E "is the start" def translate (self, table, Deletechars=none): conversion, requiredTo make a corresponding table, 2.x the last one represents the deletion of the character set, 3.x without this parameter "Trantab = Str.maketrans (" Aeiou "," 12345 ") s =" This is a string EXAMPLE....WOW!!! " Print (S.translate (trantab))

Str

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Python data type