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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def btc_make_p2sh_p2wpkh_redeem_script( pubkey_hex ):
 """ Make the redeem script for a p2sh-p2wpkh witness script """

    pubkey_hash = hashing.bin_hash160(pubkey_hex.decode('hex')).encode('hex')
    redeem_script = btc_script_serialize(['0014' + pubkey_hash])
    return redeem_script