7.2.10.3. Token¶
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class
Token
(*args)[source]¶ It constructs a unique constant that behaves like a string.
Example:
>>> s = Token('string') >>> s string >>> s == 'string' False >>> s == Token('string') False >>> {s: 1, Token('string'): 1} {string: 1, string: 1} >>> s.capitalize() 'String'
Methods
__init__
Initialize self. capitalize
Return a capitalized version of the string. casefold
Return a version of the string suitable for caseless comparisons. center
Return a centered string of length width. count
Return the number of non-overlapping occurrences of substring sub in string S[start:end]. encode
Encode the string using the codec registered for encoding. endswith
Return True if S ends with the specified suffix, False otherwise. expandtabs
Return a copy where all tab characters are expanded using spaces. find
Return the lowest index in S where substring sub is found, such that sub is contained within S[start:end]. format
Return a formatted version of S, using substitutions from args and kwargs. format_map
Return a formatted version of S, using substitutions from mapping. index
Return the lowest index in S where substring sub is found, such that sub is contained within S[start:end]. isalnum
Return True if the string is an alpha-numeric string, False otherwise. isalpha
Return True if the string is an alphabetic string, False otherwise. isascii
Return True if all characters in the string are ASCII, False otherwise. isdecimal
Return True if the string is a decimal string, False otherwise. isdigit
Return True if the string is a digit string, False otherwise. isidentifier
Return True if the string is a valid Python identifier, False otherwise. islower
Return True if the string is a lowercase string, False otherwise. isnumeric
Return True if the string is a numeric string, False otherwise. isprintable
Return True if the string is printable, False otherwise. isspace
Return True if the string is a whitespace string, False otherwise. istitle
Return True if the string is a title-cased string, False otherwise. isupper
Return True if the string is an uppercase string, False otherwise. join
Concatenate any number of strings. ljust
Return a left-justified string of length width. lower
Return a copy of the string converted to lowercase. lstrip
Return a copy of the string with leading whitespace removed. maketrans
Return a translation table usable for str.translate(). partition
Partition the string into three parts using the given separator. replace
Return a copy with all occurrences of substring old replaced by new. rfind
Return the highest index in S where substring sub is found, such that sub is contained within S[start:end]. rindex
Return the highest index in S where substring sub is found, such that sub is contained within S[start:end]. rjust
Return a right-justified string of length width. rpartition
Partition the string into three parts using the given separator. rsplit
Return a list of the words in the string, using sep as the delimiter string. rstrip
Return a copy of the string with trailing whitespace removed. split
Return a list of the words in the string, using sep as the delimiter string. splitlines
Return a list of the lines in the string, breaking at line boundaries. startswith
Return True if S starts with the specified prefix, False otherwise. strip
Return a copy of the string with leading and trailing whitespace remove. swapcase
Convert uppercase characters to lowercase and lowercase characters to uppercase. title
Return a version of the string where each word is titlecased. translate
Replace each character in the string using the given translation table. upper
Return a copy of the string converted to uppercase. zfill
Pad a numeric string with zeros on the left, to fill a field of the given width. -
__init__
(*args)¶ Initialize self. See help(type(self)) for accurate signature.
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