def allow_trasnform(src: str, dest: str) -> bool:
if len(src) != len(dest):
return False
charmap = {}
for src_char, destchar in zip(src, dest):
stored = charmap.get(src_char, None)
if stored:
if stored != destchar:
return False
else:
charmap[src_char] = destchar
return True
print(allow_trasnform("привет", "прикол"))
print(allow_trasnform("ааббдд", "ддббаа"))
print(allow_trasnform("абаб", "ааах"))