


def        UpperCAmelCase_      (							__snake_case  ,		__snake_case  ,		__snake_case  ,		__snake_case  ,		__snake_case		)  ->    Optional[int]:







     """simple docstring"""


     if target == 0:
          answer.append(path.copy()		)
     else:
          for index in range(__snake_case  ,		len(__snake_case		)		):
               if target >= candidates[index]:
                    path.append(candidates[index]		)
                    backtrack(__snake_case  ,		__snake_case  ,		__snake_case  ,		target - candidates[index]  ,		__snake_case		)
                    path.pop(len(__snake_case		) - 1		)
def        UpperCAmelCase_      (							__snake_case  ,		__snake_case		)  ->    int:







     """simple docstring"""


     _lowercase							   =[]  # type: list[int]
     _lowercase							   =[]  # type: list[int]
     backtrack(__snake_case  ,		__snake_case  ,		__snake_case  ,		__snake_case  ,		0		)
     return answer
def        UpperCAmelCase_      (							)  ->    Optional[Any]:







     """simple docstring"""


     print(combination_sum([-8, 2.3, 0]  ,		1		)		)


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  main()





import requests

try:
  from django.contrib.auth import authenticate, login
  from django.shortcuts import redirect, render
except ImportError:
  UpperCAmelCase__     			=							UpperCAmelCase__     			=							UpperCAmelCase__     			=							UpperCAmelCase__     			=							print
def        UpperCAmelCase_      (							__snake_case		)  ->    List[str]:







 """simple docstring"""


 _lowercase							   ='''secretKey'''
 _lowercase							   ='''https://www.google.com/recaptcha/api/siteverify'''

 # when method is not POST, direct user to login page
 if request.method != "POST":
  return render(__snake_case  ,		'''login.html'''		)

 # from the frontend, get username, password, and client_key
 _lowercase							   =request.POST.get('''username'''		)
 _lowercase							   =request.POST.get('''password'''		)
 _lowercase							   =request.POST.get('''g-recaptcha-response'''		)

 # post recaptcha response to Google's recaptcha api
 _lowercase							   =requests.post(__snake_case  ,		data={'''secret''': secret_key, '''response''': client_key}		)
 # if the recaptcha api verified our keys
 if response.json().get('''success'''  ,		__snake_case		):
  # authenticate the user
  _lowercase							   =authenticate(__snake_case  ,		username=__snake_case  ,		password=__snake_case		)
  if user_in_database:
   login(__snake_case  ,		__snake_case		)
   return redirect('''/your-webpage'''		)
 return render(__snake_case  ,		'''login.html'''		)

