lre_compression.py

def compress(raw: str) -> bytes:
    bArr = raw.encode('utf-8')
    print([b for b in bArr])
    if len(bArr) == 1:
      return bytes([1, bArr[0]])

    rList = []
    l = 0
    while l < len(bArr):
      count = 1
      n = l
      while n < len(bArr) - 1 and bArr[n] == bArr[n+1]:
        count += 1
        n += 1
      l += count
      rList.append(bytes([count, bArr[l-1]]))
    return b''.join(rList)

b = compress("abbb")
print(b)

u = compress("\N{GRINNING FACE} \N{SHAMROCK}")
print(u)

v = compress("e")
print(v)

s = compress("\N{SHAMROCK}")
print(s)