Get rid of them.
You can make Puzzle 66 script in 11 lines
import sys, os, secp256k1 as ice
while True:
random_bytes=os.urandom(9);initial_bytes=b'\x00'*23;full_bytes=initial_bytes+random_bytes
wif = ice.btc_pvk_to_wif(full_bytes);pvk_int = int(ice.btc_wif_to_pvk_hex(wif), 16)
h160 = ice.privatekey_to_h160(1, True, pvk_int).hex()
message = "\r{}".format(h160);messages = []
messages.append(message);output = "\033[01;33m" + ''.join(messages) + "\r"
sys.stdout.write(output);sys.stdout.flush()
if h160 == "20d45a6a762535700ce9e0b216e31994335db8a5":
print(wif)
break