چالش decipherium¶

import binascii
import re

encoded_text = "TeSbILaTeSnTeNoISnTeCsCsDyICdTeIISnTeLaSbCdTeTeTeLaTeSbINoTeSbSbInICdTeBaSbSbISnIYbSbCdTeXeINoSbSbTeHoTeITeFmTeITeMdITeSbICsEr"
elements = re.findall(r'[A-Z][a-z]?', encoded_text)

#atomic numbers dict
atomic_numbers_dict = {
    "H": 1, "He": 2, "Li": 3, "Be": 4, "B": 5, "C": 6, "N": 7, "O": 8, "F": 9, "Ne": 10,
    "Na": 11, "Mg": 12, "Al": 13, "Si": 14, "P": 15, "S": 16, "Cl": 17, "Ar": 18, "K": 19, "Ca": 20,
    "Sc": 21, "Ti": 22, "V": 23, "Cr": 24, "Mn": 25, "Fe": 26, "Co": 27, "Ni": 28, "Cu": 29, "Zn": 30,
    "Ga": 31, "Ge": 32, "As": 33, "Se": 34, "Br": 35, "Kr": 36, "Rb": 37, "Sr": 38, "Y": 39, "Zr": 40,
    "Nb": 41, "Mo": 42, "Tc": 43, "Ru": 44, "Rh": 45, "Pd": 46, "Ag": 47, "Cd": 48, "In": 49, "Sn": 50,
    "Sb": 51, "Te": 52, "I": 53, "Xe": 54, "Cs": 55, "Ba": 56, "La": 57, "Ce": 58, "Pr": 59, "Nd": 60,
    "Pm": 61, "Sm": 62, "Eu": 63, "Gd": 64, "Tb": 65, "Dy": 66, "Ho": 67, "Er": 68, "Tm": 69, "Yb": 70,
    "Lu": 71, "Hf": 72, "Ta": 73, "W": 74, "Re": 75, "Os": 76, "Ir": 77, "Pt": 78, "Au": 79, "Hg": 80,
    "Tl": 81, "Pb": 82, "Bi": 83, "Po": 84, "At": 85, "Rn": 86, "Fr": 87, "Ra": 88, "Ac": 89, "Th": 90,
    "Pa": 91, "U": 92, "Np": 93, "Pu": 94, "Am": 95, "Cm": 96, "Bk": 97, "Cf": 98, "Es": 99, "Fm": 100,
    "Md": 101, "No": 102, "Lr": 103}

ascii_sequence = [atomic_numbers_dict.get(symbol, None) for symbol in elements]
ascii_decoded= ''.join(chr(num) if 32 <= num <= 126 else '?' for num in ascii_sequence)
decoded_text = binascii.unhexlify(ascii_decoded).decode('utf-8', errors='replace')
print("FLag:", decoded_text)