Here you can get help of any object by pressing Ctrl+I in front of it, either on the Editor or the Console.
i
3
s=input()
t=input()
n=len(s)
i,k,f,=0,0,True
while i<n:
if __________:
f=True
elif __________:
k+=1
f=False
else:
f=False
i+=1
print(k)