##Count Ones
def countOnes(data):
val = 0
for i in range(len(data)):
if (data[i] == '1'):
val += 1
#print data[i]
return str(val)
##Four Peaks
def fourpeaks(data):
i = 0
t = int(len(data) / 5)
while (i < len(data) and data[i] == '1'):
i += 1
head = i
i = len(data) - 1
while (i >= 0 and data[i] == '0'):
i -= 1
tail = len(data) - 1 - i
r = 0
if (head > t and tail > t):
r = len(data)
return max(tail, head) + r
##Flip Flop
def flipflop(data):
val = 0;
for i in range(len(data) - 1):
if (data[i] != data[i + 1]):
val += 1
return str(val)
