






"""simple docstring"""





import importlib.metadata
import operator
import re
import sys
from typing import Optional

from packaging import version


UpperCamelCase_	:				Any										= {
    """<""": operator.lt,
    """<=""": operator.le,
    """==""": operator.eq,
    """!=""": operator.ne,
    """>=""": operator.ge,
    """>""": operator.gt,
}



def     __lowercase					(    a :				Optional[int]       ,		a :				Dict       ,		a :				str       ,		a :				Optional[Any]       ,		a :				Optional[int]       ,		a :				Dict )					->					Optional[Any]:
      if got_ver is None or want_ver is None:
            raise ValueError(
                f'''Unable to compare versions for {requirement}: need={want_ver} found={got_ver}. This is unusual. Consider'''
                f''' reinstalling {pkg}.''' )
      if not ops[op](version.parse(a )       ,		version.parse(a ) ):
            raise ImportError(
                f'''{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}''' )



def     __lowercase					(    a :				str       ,		a :				Optional[str] = None )					->					None:
      __snake_case      :    Union[str, Any]  			=f'''\n{hint}''' if hint is not None else ''''''

      # non-versioned check
      if re.match(R'''^[\w_\-\d]+$'''       ,		a ):
            __snake_case			,				__snake_case			,				__snake_case      :    Optional[int]  			=requirement, None, None
      else:
            __snake_case      :    Union[str, Any]  			=re.findall(R'''^([^!=<>\s]+)([\s!=<>]{1,2}.+)'''       ,		a )
            if not match:
                  raise ValueError(
                      '''requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but'''
                      f''' got {requirement}''' )
            __snake_case			,				__snake_case      :    Tuple  			=match[0]
            __snake_case      :    List[str]  			=want_full.split(''',''' )  # there could be multiple requirements
            __snake_case      :    int  			={}
            for w in want_range:
                  __snake_case      :    Dict  			=re.findall(R'''^([\s!=<>]{1,2})(.+)'''       ,		a )
                  if not match:
                        raise ValueError(
                            '''requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23,'''
                            f''' but got {requirement}''' )
                  __snake_case			,				__snake_case      :    Dict  			=match[0]
                  __snake_case      :    Optional[Any]  			=want_ver
                  if op not in ops:
                        raise ValueError(f'''{requirement}: need one of {list(ops.keys() )}, but got {op}''' )

    # special case
      if pkg == "python":
            __snake_case      :    Any  			='''.'''.join([str(a ) for x in sys.version_info[:3]] )
            for op, want_ver in wanted.items():
                  _compare_versions(a       ,		a       ,		a       ,		a       ,		a       ,		a )
            return

      # check if any version is installed
      try:
            __snake_case      :    Dict  			=importlib.metadata.version(a )
      except importlib.metadata.PackageNotFoundError:
            raise importlib.metadata.PackageNotFoundError(
                f'''The \'{requirement}\' distribution was not found and is required by this application. {hint}''' )

      # check that the right version is installed if version number or a range was provided
      if want_ver is not None:
            for op, want_ver in wanted.items():
                  _compare_versions(a       ,		a       ,		a       ,		a       ,		a       ,		a )



def     __lowercase					(    a :				str )					->					Optional[int]:
      __snake_case      :    Any  			='''Try: pip install transformers -U or pip install -e \'.[dev]\' if you\'re working with git main'''
      return require_version(a       ,		a )










"""simple docstring"""





from __future__ import annotations

import math
from collections import Counter
from string import ascii_lowercase



def     __lowercase					(    a :				str )					->					None:
      __snake_case			,				__snake_case      :    List[Any]  			=analyze_text(a )
      __snake_case      :    Union[str, Any]  			=list(''' ''' + ascii_lowercase )
      # what is our total sum of probabilities.
      __snake_case      :    List[Any]  			=sum(single_char_strings.values() )

      # one length string
      __snake_case      :    str  			=0
      # for each alpha we go in our dict and if it is in it we calculate entropy
      for ch in my_alphas:
            if ch in single_char_strings:
                  __snake_case      :    Union[str, Any]  			=single_char_strings[ch]
                  __snake_case      :    Any  			=my_str / all_sum
                  my_fir_sum += prob * math.loga(a )  # entropy formula.

    # print entropy
      print(f'''{round(-1 * my_fir_sum ):.1f}''' )

      # two len string
      __snake_case      :    Optional[Any]  			=sum(two_char_strings.values() )
      __snake_case      :    Dict  			=0
      # for each alpha (two in size) calculate entropy.
      for cha in my_alphas:
            for cha in my_alphas:
                  __snake_case      :    Tuple  			=cha + cha
                  if sequence in two_char_strings:
                        __snake_case      :    List[Any]  			=two_char_strings[sequence]
                        __snake_case      :    Tuple  			=int(a ) / all_sum
                        my_sec_sum += prob * math.loga(a )

    # print second entropy
      print(f'''{round(-1 * my_sec_sum ):.1f}''' )

      # print the difference between them
      print(f'''{round((-1 * my_sec_sum) - (-1 * my_fir_sum) ):.1f}''' )



def     __lowercase					(    a :				str )					->					tuple[dict, dict]:
      __snake_case      :    List[str]  			=Counter()  # type: ignore
      __snake_case      :    Union[str, Any]  			=Counter()  # type: ignore
      single_char_strings[text[-1]] += 1

      # first case when we have space at start.
      two_char_strings[" " + text[0]] += 1
      for i in range(0       ,		len(a ) - 1 ):
            single_char_strings[text[i]] += 1
            two_char_strings[text[i : i + 2]] += 1
      return single_char_strings, two_char_strings



def     __lowercase					(    )					->					int:
      import doctest

      doctest.testmod()
      # text = (
      #     "Had repulsive dashwoods suspicion sincerity but advantage now him. Remark "
      #     "easily garret nor nay. Civil those mrs enjoy shy fat merry. You greatest "
      #     "jointure saw horrible. He private he on be imagine suppose. Fertile "
      #     "beloved evident through no service elderly is. Blind there if every no so "
      #     "at. Own neglected you preferred way sincerity delivered his attempted. To "
      #     "of message cottage windows do besides against uncivil.  Delightful "
      #     "unreserved impossible few estimating men favourable see entreaties. She "
      #     "propriety immediate was improving. He or entrance humoured likewise "
      #     "moderate. Much nor game son say feel. Fat make met can must form into "
      #     "gate. Me we offending prevailed discovery. "
      # )

      # calculate_prob(text)


if __name__ == "__main__":
    main()


