string of python3.5

str1 = "GooGle"
STR2 = "Baidu"

#print ("Google's type is%s \ n"% type (str1)) #Google的类型是 <class ' str ' >
#print ("Google's method has%s"% dir (str1))

"""
Here's how a string object can be used
[' __add__ ', ' __class__ ', ' __contains__ ', ' __delattr__ ', ' __dir__ ', ' __doc__ ', ' __eq__ ',
' __format__ ', ' __ge__ ', ' __getattribute__ ', ' __getitem__ ', ' __getnewargs__ ', ' __gt__ ',
' __hash__ ', ' __init__ ', ' __iter__ ', ' __le__ ', ' __len__ ', ' __lt__ ', ' __mod__ ', ' __mul__ ',
' __ne__ ', ' __new__ ', ' __reduce__ ', ' __reduce_ex__ ', ' __repr__ ', ' __rmod__ ', ' __rmul__ ',
' __setattr__ ', ' __sizeof__ ', ' __str__ ', ' __subclasshook__ ', ' capitalize ', ' casefold ',
' Center ', ' count ', ' encode ', ' endswith ', ' expandtabs ', ' find ', ' format ', ' Format_map ',
' Index ', ' isalnum ', ' isalpha ', ' isdecimal ', ' isdigit ', ' isidentifier ', ' islower ',
' IsNumeric ', ' isprintable ', ' isspace ', ' istitle ', ' isupper ', ' join ', ' ljust ', ' lower ',
' Lstrip ', ' Maketrans ', ' partition ', ' replace ', ' rfind ', ' rindex ', ' rjust ', ' rpartition ',
' Rsplit ', ' Rstrip ', ' Split ', ' splitlines ', ' startswith ', ' strip ', ' swapcase ', ' title ',
' Translate ', ' upper ', ' Zfill ']
"""
#print (str1.__add__ (str2)) #Googlebaidu, concatenate two strings together to form a new string
#print (str1.__class__) #<class ' str ' >
#print (str1.__contains__ ("G")) #True whether it contains
#print (str1.__dir__ ())
#print ("%s initial capital%s"% (Str2,str2.capitalize ())) #baidu First Capital letter Baidu

#print (Str1.lower ()) #google, converts the string to lowercase, which is valid only for ASCII-encoded letters.
#print (Str1.casefold ()) #google, converts the string to lowercase, which in the Unicode encoding has the corresponding lowercase form.
# print (' ß '. lower ()) # ' ß ' is a German lowercase letter, it has another lowercase ' ss ', lower method cannot be converted
# print (' ß '. Casefold ()) # SS-German lowercase letter ß equivalent to lower case letter SS with uppercase SS

#print (Str1.center, "*")) #**google**, content in the specified width of the play, the other with * padding, the default blank.
#print (Str1.count ("E")) #1 the number of occurrences of a statistical substring in the original string, case-sensitive
#print (Str1.endswith ("E")) #True determine if str1 ends with E
#result = "Abcdgfgfgfgfgf\tlldf". Expandtabs () #将tab转换成空格, a tab is converted to 8 spaces by default
#print (Str1.find ("O")) # Find the position of the substring, if not found returns-1, case-sensitive
#print ("My name is {}". Format ("abc")) #my the name is ABC string formatting, dynamic parameters
The #print (Str1.index ("O")) # is similar to Str.find (), but if no substring is found, an error will be
#print ("[Email protected]". Isalnum ()) #判断是否是字母或数字, returns False if there are special symbols in the string that have letters and numbers
#print ("Af3". Isalpha ()) #判断字符串是否全部都是字母

#print ("123". Isdecimal ()) #如果字符串是只包含十进制字符返回True, otherwise returns false.
#print ("123". IsDigit ())
#print ("Class". Isidentifier ()) #判断字符串是不是关键字
#print ("abc". Islower ()) #判断字符串是否全部小写
"""
Three ways to go to a space
Print ("ABCD jlllll". Lstrip ()) #去掉字符串左边的空白字符,
Print ("ABCD 11223". Rstrip ()) #去掉字符串右边的空白字符
Print ("ABCD 112233". Strip ()) #去掉字符串两边的空白字符
"""
"""
Print ("[email protected] @jklfd". Partition ("@"))
With @ as the delimiter, if a delimiter is found, returns the part before the delimiter, the delimiter, and the part after the delimiter
If no delimiter is found, returns a string followed by two empty strings
"""
#print (Str1.replace ("O", "8", 1)) #用新字符串替换就字符串, replace all if the third parameter is not specified.

string of python3.5