Look And Say Sequence

def Lookandsay(n):
    def Nextone(a):
        if a == '':
            return ''
        else:
            x =''
            ans=''
            counter = 0
            for p in a:
                counter+=1
                if counter >1:
                    if x[len(x)-1]!=p:
                        break
                    else:
                        x+=p
                else:
                    x+=p
            ans = str(len(x))+x[0]
            if len(a) == 1:
                return ans
            else:
                return ans + Nextone(a[len(x):])
    count =1
    a = '1'
    while count !=n:
        a = Nextone(a)
        count+=1
    return a

print Lookandsay(input('Enter an Integer: '))