Created by nicolas-patrois
Created on May 06, 2018
242 Bytes
The famous Conway look and say sequence.
def conway(r=1,l=6): L=[str(r)] print(r) for _ in range(l-1): lp=[] p=None for c in L: if c==p: lp[-1][1]+=1 else: p=c lp.append([c,1]) L=[] for p in lp: L+=[str(p[1]),p[0]] print("".join(L))