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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 mac_address(ip):
 """Get the MAC address"""

    mac = ''
    for line in os.popen('/sbin/ifconfig'):
        s = line.split()
        if len(s) > 3:
            if s[3] == 'HWaddr':
                mac = s[4]
            elif s[2] == ip:
                break
    return {'MAC': mac}