




from __future__ import annotations

import csv

import requests
from bsa import BeautifulSoup




def 		lowerCAmelCase_   (	lowerCamelCase = ""   ):
				__magic_name__	:	int								=url or """https://www.imdb.com/chart/top/?ref_=nv_mv_250"""
				__magic_name__	:	List[Any]								=BeautifulSoup(requests.get(lowerCamelCase   ).text	,     """html.parser"""   )
				__magic_name__	:	Tuple								=soup.find_all("""td"""	,     attrs="""titleColumn"""   )
				__magic_name__	:	List[Any]								=soup.find_all("""td"""	,     class_="""ratingColumn imdbRating"""   )
				return {
				    title.a.text: float(rating.strong.text   )
				    for title, rating in zip(lowerCamelCase	,     lowerCamelCase   )
				}




def 		lowerCAmelCase_   (	lowerCamelCase = "IMDb_Top_250_Movies.csv"   ):
				__magic_name__	:	Union[str, Any]								=get_imdb_top_aaa_movies()
				with open(lowerCamelCase	,     """w"""	,     newline=""""""   ) as out_file:
								__magic_name__	:	List[str]								=csv.writer(lowerCamelCase   )
								writer.writerow(["""Movie title""", """IMDb rating"""]   )
								for title, rating in movies.items():
												writer.writerow([title, rating]   )


if __name__ == "__main__":
							write_movies()










from math import pow, sqrt




def 		lowerCAmelCase_   (	*lowerCamelCase   ):
				__magic_name__	:	Tuple								=len(lowerCamelCase   ) > 0 and all(value > 0.0 for value in values   )
				return result




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase   ):
				return (
				    round(sqrt(molar_mass_a / molar_mass_a   )	,     6   )
				    if validate(lowerCamelCase	,     lowerCamelCase   )
				    else ValueError("""Input Error: Molar mass values must greater than 0."""   )
				)




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				return (
				    round(effusion_rate * sqrt(molar_mass_a / molar_mass_a   )	,     6   )
				    if validate(lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   )
				    else ValueError(
				        """Input Error: Molar mass and effusion rate values must greater than 0."""   )
				)




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				return (
				    round(effusion_rate / sqrt(molar_mass_a / molar_mass_a   )	,     6   )
				    if validate(lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   )
				    else ValueError(
				        """Input Error: Molar mass and effusion rate values must greater than 0."""   )
				)




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				return (
				    round(molar_mass / pow(effusion_rate_a / effusion_rate_a	,     2   )	,     6   )
				    if validate(lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   )
				    else ValueError(
				        """Input Error: Molar mass and effusion rate values must greater than 0."""   )
				)




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				return (
				    round(pow(effusion_rate_a / effusion_rate_a	,     2   ) / molar_mass	,     6   )
				    if validate(lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   )
				    else ValueError(
				        """Input Error: Molar mass and effusion rate values must greater than 0."""   )
				)




