# def sum_num(s):
# 	summa = 0
# 	for i in s:
# 		if i.isdigit():
# 			summa += int(i)
# 	print(summa)

# sum_num('asd12312asdf')

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	

# def get_body_mass_index(weight, height):
# 	index = weight/((height*0.01)**2)
# 	if index < 18.5:
# 		print('Недостаточная масса тела')
# 	elif 18.5 <= index <= 25.0:
# 		print('Норма') 
# 	else:
# 		print('Избыточная масса тела')

# get_body_mass_index(70, 170)		

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~	

# def check_password(psw):
# 	f1 = False
# 	digit_cnt = 0
# 	cap = False
# 	sim = False
# 	for i in psw:
# 		if i.isdigit():
# 			digit_cnt += 1
# 		if i.istitle():
# 			cap = True
# 		if i in "!@#$%":
# 			sim = True
# 	if (digit_cnt >= 3) and cap == True and sim == True and len(psw) >= 10:
# 		print('Perfect password')
# 	else:
# 		print('Easy peasy')

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		
	
# def count_letters(s):
# 	cap_cnt = 0
# 	uncap_cnt = 0
# 	for i in s:
# 		if i.isalpha():
# 			if i.istitle():
# 				cap_cnt += 1
# 			else:
# 				uncap_cnt += 1
# 	print('Количество заглавных символов:', cap_cnt)
# 	print('Количество строчных символов:', uncap_cnt)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		

# def foo():
# 	print('function foo')

# a = foo()
# print(a)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		

# def find_duplicate(lst):
# 	my_list = []
# 	new_l = []
	
# 	for i in lst:
# 		if i not in my_list:
# 			my_list.append(i)

# 	for i in my_list:
# 		if lst.count(i) > 1:
# 			new_l.append(i)

# 	return new_l

# print(find_duplicate([1, 1, 1, 1, 1, 2, 2, 2, 2]))

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		

def first_unique_char(s):
	s.lower()
	for i in range(len(s)):
		if s.count(s[i]) == 1:
			return i
	else:
		return -1
	
# print(first_unique_char('aasssddddddddq'))

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		

def format_name_list(names: list):
	length = len(names)
	s = ""
	if length == 0:
		return ""
	elif length == 1:
		return names[0].get("name")
	elif length == 2:
		return names[0].get("name") + ' и ' + names[1].get("name")
	else:
		for i in range(len(names) - 1):
			s += names[i].get("name") + ', '
		
		return s[:-2] + " и " + names[-1].get("name")
			

# print(format_name_list([{'name': 'Bart'}, {'name': 'Lisa'}, {'name': 'Maggie'}, 
# 				  {'name': 'Homer'}, {'name': 'Marge'}]))

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~		

def get_domain_name(url : str):
	my_list = []
	if url.find("//") != -1:
		my_list = url.split("//")
		if my_list[1].find("www") != -1:
			my_list = my_list[1].split(".")
			return my_list[1]
			
		else:
			my_list = my_list[1].split(".")
			return my_list[0]
	else:
		my_list = url.split(".")
		return my_list[1]


# assert get_domain_name("http://google.com") == "google"
# assert get_domain_name("http://google.co.jp") == "google"
# assert get_domain_name("www.xakep.ru") == "xakep"
# assert get_domain_name("https://youtube.com") == "youtube"

# assert get_domain_name("http://github.com/carbonfive/raygun") =='github'
# assert get_domain_name("http://www.zombie-bites.com") == 'zombie-bites'
# assert get_domain_name("https://www.siemens.com") == 'siemens'
# assert get_domain_name("https://www.whatsapp.com") == 'whatsapp'
# assert get_domain_name("https://www.mywww.com") == 'mywww'
# print('Проверки пройдены')