code: def withdraw(self, currency, amount, address):
          
          self._validate_currency(currency)
          self._log('withdraw {} {} to {}'.format(amount, currency, address))
          coin_name = self.major_currencies[currency]
          return self._rest_client.post(
              endpoint='/{}_withdrawal'.format(coin_name)
          )
docs: Withdraw a major currency from QuadrigaCX to the given wallet.
  
          :param currency: Major currency name in lowercase (e.g. "btc", "eth").
          :type currency: str | unicode
          :param amount: Withdrawal amount.
          :type amount: int | float | str | unicode | decimal.Decimal
          :param address: Wallet address.
          :type address: str | unicode
  
          .. warning::
              Specifying incorrect major currency or wallet address could result
              in permanent loss of your coins. Please be careful when using this
              method!