diff --git a/StockData.py b/StockData.py
new file mode 100644
index 0000000..e8cf182
--- /dev/null
+++ b/StockData.py
@@ -0,0 +1,145 @@
+# StockData.py
+# Andrew Dinh
+# Python 3.6.1
+# Description: 
+'''
+Returns all available dates and prices for each stock requested.
+'''
+
+# Alpha Vantage API Key: O42ICUV58EIZZQMU
+# Barchart API Key: a17fab99a1c21cd6f847e2f82b592838
+# Tiingo API Key: 2e72b53f2ab4f5f4724c5c1e4d5d4ac0af3f7ca8
+# If you're going to take these API keys and abuse it, you should really reconsider your life priorities
+
+apiAV = 'O42ICUV58EIZZQMU'
+apiBarchart = 'a17fab99a1c21cd6f847e2f82b592838'
+apiTiingo = '2e72b53f2ab4f5f4724c5c1e4d5d4ac0af3f7ca8'
+
+import requests, json
+'''
+def install(package):
+	if hasattr(pip, 'main'):
+        pip.main(['install', package])
+    else:
+        pip._internal.main(['install', package])
+'''
+class Stock:
+   def __init__(self, newStock = '', newfirstLastDates = [], newDates = []):
+      self.name = newStock
+      self.firstLastDates = newfirstLastDates
+      self.dates = newDates
+
+   def getDates(self): # returns beginning and end dates available
+      print("Getting available dates for", self, "...\n")
+      # Gets first and last possible dates from each source
+      # Also gets all dates from each source
+
+      # IEX
+      print("\nDates from IEX...")
+      firstLastDatesIEX = Stock.getDatesIEX(self, 'firstLast')
+      print("\nFirst and last dates:", firstLastDatesIEX)
+      datesIEX = Stock.getDatesIEX(self, 'all')
+      #print("All dates (recent first):", datesIEX, "\n")
+
+      # Alpha Vantage
+      print("\nDates from Alpha Vantage...")
+      firstLastDatesAV = Stock.getDatesAV(self, 'firstLast')
+      print("\nFirst and last dates:", firstLastDatesAV)
+      datesAV = Stock.getDatesAV(self, 'all')
+      #print("All dates (recent first):", datesAV, "\n")
+
+      #
+    
+   def getDatesIEX(self, which):
+      url = ''.join(('https://api.iextrading.com/1.0/stock/', self, '/chart/5y'))
+      #link = "https://api.iextrading.com/1.0/stock/spy/chart/5y"
+      print("URL:", url)
+      f = requests.get(url)
+      json_data = f.text
+      loaded_json = json.loads(json_data)
+      dates = []
+      if which == 'firstLast':
+         # Find firstDate (comes first)
+         firstLine = loaded_json[0]
+         #print("firstLine:", firstLine)
+         firstDate = firstLine['date']
+         #print("firstDate:",firstDate)
+         # Find finalDate (comes last)
+         #print("Length:", len(loaded_json))
+         lastLine = loaded_json[-1] # Returns last value of the list (Equivalent to len(loaded_json)-1)
+         #print("lastLine:", lastLine)
+         finalDate = lastLine['date']
+         #print("Final date:", finalDate)
+         dates.append((firstDate, finalDate))
+      else:
+#         for i in range(0, len(loaded_json), 1): # If you want to do oldest first
+         for i in range(len(loaded_json)-1, 0, -1):
+            line = loaded_json[i]
+            date = line['date']
+            dates.append(date)
+      return dates
+
+   def getDatesAV(self, which):
+      url = ''.join(('https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol=', self, '&apikey=', apiAV))
+      # https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol=MSFT&apikey=demo
+      print("URL:", url)
+      f = requests.get(url)
+      json_data = f.text
+      loaded_json = json.loads(json_data)
+      #print(loaded_json['Monthly Time Series'])
+      monthlyTimeSeries = loaded_json['Monthly Time Series']
+      #print(monthlyTimeSeries)
+      #print(len(monthlyTimeSeries))
+      #length = len(monthlyTimeSeries)
+      #print(monthlyTimeSeries['2018-12-17'])
+      #print(type(monthlyTimeSeries))
+      listOfDates = list(monthlyTimeSeries)
+      #print(listOfDates)
+      dates = []
+      if which == 'firstLast':
+         firstDate = listOfDates[-1]
+         lastDate = listOfDates[0]
+         #print("firstDate:", firstDate)
+         #print("lastDate:", lastDate)
+         dates.append((firstDate, lastDate))
+      else:
+         dates = listOfDates
+      return dates
+'''
+      # Find finalDate (comes first)
+      print("Length:", len(loaded_json))
+      lastLine = loaded_json[-1] # Returns last value of the list (Equivalent to len(loaded_json)-1)
+      print("lastLine:", lastLine)
+      finalDate = lastLine['date']
+      print("Final date:", finalDate)
+      dates = []
+      dates.append((firstDate, finalDate))
+'''
+'''
+  def printDates(self):
+    print("Getting data from IEX...")
+    url = ''.join(('https://api.iextrading.com/1.0/stock/', self.name, '/chart/5y'))
+    #link = "https://api.iextrading.com/1.0/stock/spy/chart/5y"
+    print("URL:", url)
+    f = requests.get(url)
+    #print(f.text)
+    json_data = f.text
+    loaded_json = json.loads(json_data)
+
+    print("Printing from IEX...")
+    for i in range (0,len(loaded_json),1):
+      a = loaded_json[i]
+      print(a['date'])
+'''
+
+def main():
+   #if __name__ == '__main__':
+        #  install('requests')
+
+   stock = 'spy'
+   spy = Stock(stock)
+   #print(spy.name)
+   Stock.getDates(stock)
+   #Stock.printDates(spy)
+
+main()
diff --git a/__pycache__/StockData.cpython-37.pyc b/__pycache__/StockData.cpython-37.pyc
new file mode 100644
index 0000000..92af2c9
Binary files /dev/null and b/__pycache__/StockData.cpython-37.pyc differ
diff --git a/main.py b/main.py
index a194fe4..415775e 100644
--- a/main.py
+++ b/main.py
@@ -1,77 +1,18 @@
 # main.py
 # Andrew Dinh
 # Python 3.6.1
-# Description: Get, parse, and interpret JSON files from IEX
-import urllib.request
-import re
-#import os, errno
-import json
-
-file_path = "tmp/data.txt"
-# directory = os.path.dirname(file_path)
-
-url = urllib.request.urlopen("https://api.iextrading.com/1.0/stock/aapl/chart")
-#print("url =", url)
-html = url.read() # this is not a string, must convert it for findall()
-# print("the html =", html)
-
-myFile = open('data.json','r')
-data = myFile.read()
-
-json_string = json.dumps(data)
-print("json string:", data)
-
+# Description: 
 '''
-myFile =open(file_path,'w')
-myFile.write(str(html))
-myFile.close()
+Asks users for mutual funds/stocks to compare
+Asks to be compared (expense ratio, turnover, market capitalization, or persistence)
+Asks for time period (Possibly: 1 year, 5 years, 10 years)
+Makes the mutual funds as class Stock
+Gets data from each API
+Compare and contrast dates and end changeOverTime for set time period
+  NOTES: Later can worry about getting close values to make a graph or something
+Gives correlation value using equation at the end (from 0 to 1)
 
-
-# Create tmp folder
-try:
-    os.makedirs(directory)
-except OSError as e:
-    if e.errno != errno.EEXIST:
-        raise
-
-myFile = open(file_path,'r')
-listOfLines = myFile.read().split('}')
-#print("fileAsList:\n",listOfLines)
-
-print(listOfLines[0],"\n")
-print(listOfLines[1])
-'''
-'''
-for j in range(0,len(listOfLines),1):
-  aLine = listOfLines[j]
-  #print(aLine)
-  lineData = aLine.split()
-  #print(lineData)
+FIRST TESTING WITH EXPENSE RATIO
 '''
 
-'''
-url = urllib.request.urlopen("http://www.gavilan.edu/staff/dir.php")
-print("url =", url)
-html = url.read() # this is not a string, must convert it for findall()
-# print("-----------------------------------------------")
-# print("the html =", html)
-
-myFile = open('dataFile.txt','w')
-myFile.write(str(html))
-myFile.close()
-
-myFile = open('dataFile.txt','r')
-listOfLines = myFile.readlines() # returns a list of lines,USE for search()
-#print("fileAsList:\n",listOfLines)
-listOfEmails = re.findall(r'\w+@gavilan.edu', str(html))
-# print(listOfEmails)
-myFile.close()
-
-myFile = open('dataFile.txt','r')
-listOfLines = myFile.readlines()
-for line in listOfLines:
-  match = re.search('stoykov',str(line))
-  if match:
-    print(line)
-myFile.close()
-'''
+import StockData
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..da3fa4c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+requests==2.21.0