Analyze sentences and find words separated by spaces

ans=input()
v = []
move=[]
for m in ans:
    if m==" ":
        v.append(move[0:])
        move=[]
    elif m != ans[-1]:
        move.append(m)
    else:
        move.append(ans[-1])
        v.append(move[0:])
print (v)