Python Strings

python_strings.py

"""
Strings are immutable sequence of characters

http://thomas-cokelaer.info/tutorials/python/strings.html
https://docs.python.org/3/library/stdtypes.html#string-methods
"""
class Strings():

    def __init__(self, elem):
        self.elem = elem

    def get(self, index):
        return self.elem[index]

    def len(self):
        return len(self.elem)

    def count(self, char, start, end):
        return self.elem.count(char, start, end)

    def isdigit(self):
        return self.elem.isdigit()

    def isalpha(self):
        return self.elem.isalpha()

    def islower(self):
        return self.elem.islower()

    def isupper(self):
        return self.elem.isupper()

    def istitle(self):
        return self.elem.istitle()

    def isspace(self):
        return self.elem.isspace()

    def isalnum(self):
        return self.elem.isalnum()

    def title(self):
        return self.elem.title()

    def capitalize(self):
        return self.elem.capitalize()

    def lower(self):
        return self.elem.lower()

    def upper(self):
        return self.elem.upper()

    def swapcase(self):
        return self.elem.swapcase()

    def center(self, lenght, fillchar=" "):
        return self.elem.center(lenght, fillchar)

    def ljust(self, lenght, fillchar=" "):
        return self.elem.ljust(lenght, fillchar)

    def rjust(self, lenght, fillchar=" "):
        return self.elem.rjust(lenght, fillchar)

    def zfill(self, lenght):
        return self.elem.zfill(lenght)

    def strip(self, chars):
        return self.elem.strip(chars)

    def rstrip(self, chars):
        return self.elem.rstrip(chars)

    def lstrip(self, chars):
        return self.elem.lstrip(chars)

    def endswith(self, suffix, start, end):
        return self.elem.endswith(suffix, start, end)

    def subexist(self, sub):
        return sub in self.elem

    def find(self, sub, start, end):
        return self.elem.find(sub, start, end)

    def get_string(self):
        return self.elem