pep8 conversion of python algos #1-25 (#7926)

* pep8 conversion of python algos

* address peer-review

* PEP8 updates/fixes

* More fixes

---------

Co-authored-by: Jhonathan Abreu <jdabreu25@gmail.com>

Algorithm.Python/BasicSetAccountCurrencyAlgorithm.py

@@ -17,26 +17,26 @@ from AlgorithmImports import *
 ### Basic algorithm using SetAccountCurrency
 ### </summary>
 class BasicSetAccountCurrencyAlgorithm(QCAlgorithm):
-    def Initialize(self):
+    def initialize(self):
         '''Initialise the data and resolution required, as well as the cash and start-end dates for your algorithm. All algorithms must initialized.'''
 
-        self.SetStartDate(2018, 4, 4)  #Set Start Date
-        self.SetEndDate(2018, 4, 4)    #Set End Date
-        self.SetBrokerageModel(BrokerageName.GDAX, AccountType.Cash)
-        self.SetAccountCurrencyAndAmount()
+        self.set_start_date(2018, 4, 4)  #Set Start Date
+        self.set_end_date(2018, 4, 4)    #Set End Date
+        self.set_brokerage_model(BrokerageName.GDAX, AccountType.CASH)
+        self.set_account_currency_and_amount()
 
-        self._btcEur = self.AddCrypto("BTCEUR").Symbol
+        self._btc_eur = self.add_crypto("BTCEUR").symbol
 
-    def SetAccountCurrencyAndAmount(self):
+    def set_account_currency_and_amount(self):
         # Before setting any cash or adding a Security call SetAccountCurrency
-        self.SetAccountCurrency("EUR")
-        self.SetCash(100000)           #Set Strategy Cash
+        self.set_account_currency("EUR")
+        self.set_cash(100000)           #Set Strategy Cash
 
-    def OnData(self, data):
+    def on_data(self, data):
         '''OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.
 
         Arguments:
             data: Slice object keyed by symbol containing the stock data
         '''
-        if not self.Portfolio.Invested:
-            self.SetHoldings(self._btcEur, 1)
+        if not self.portfolio.invested:
+            self.set_holdings(self._btc_eur, 1)