Easy Steem Dollar Alert [with Python]

def e():
exit()

'''# catch the requested word '''
def Between(bas,son,cumle):
b1 = cumle.split(bas)
b2 = b1[1].split(son)
ar = b2[0]
return ar

o = open('_alert_level.txt'); oi= o.read(); o.close();
alertLevel = float(oi)

o = open('_check_every_N_minutes.txt'); oi= o.read(); o.close();
checkTime = int(oi)
print alertLevel

''' ## BitTrex SBD ##############'''

def CheckSBD():
url = "https://coinmarketcap.com/currencies/steem-dollars/#markets"
bring = requests.get(url)
arrival = bring.content # content into arrival

''' # find the SBD price in arrival, that means coinmarketcap's web page source codes '''
bitSbd1 = Between('Bittrex','Recently',arrival);
bitSbd2 = Between('price','',bitSbd1)
bitSbd = Between('$','',bitSbd2)

bitSbd = float(bitSbd) # convert string to float

print bitSbd
return bitSbd

''' # prepare HTML file '''
html = '''

Hey! SBD is over $''' + str(CheckSBD()) + '''

''' Run Forest! '''
''' # ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ '''
while 1:
sbdnow = CheckSBD() # Check SBD price
if sbdnow > alertLevel: # If current SBD price bigger than alert level
o = open("alert.html","w"); o.write(html.encode("utf-8")); o.close() # create alert.html
os.startfile("alert.html") # open alert.html

time.sleep(checkTime*60) ## covert from minute to second and wait