A look-and-say sequence is defined as the integer sequence beginning with a single digit in which the next term is obtained by describing the previous term.

look-and-say.py

stri,n =  input().split()
n = int(n)
print(stri)
def fun(init):
	stri = ""
	i = 0
	while i < len(init):
		j = i + 1
		count = 1
		while j <= len(init)-1 :
			count = 1
			if init[i] == init[j] :
				count = count + 1
				j = j + 1
			else :
				break
		stri = stri + str(count)
		stri = stri + str(init[i])
		i = j
	print(stri)
	return stri
for i in range(1,n):
	stri = fun(stri)

1 #
11 # one 1's
21 # two 1's
1211 # one 2, and one 1.
111221 # #one 1, one 2, and two 1's.