human
Solve the following python programming problem given the following code:
def parse_port_bindings(bindings) : 
    "
    Parse array of string port bindings into a dict. For example:
        ['4567:1111', '2222']
    becomes
        port_bindings={
            1111: 4567,
            2222: None
        }
    and
        ['127.0.0.1:4567:1111']
    becomes
        port_bindings={
            1111: ('127.0.0.1', 4567)
        }
    :param bindings: array of string
    :return: dict
    " 
    def parse_port_mapping(s) : 
        '
        Parse single port mapping.
        ' 
        if (':' in s) : 
            parts = s.split (':') 
            if (len (parts) > 2) : 
                (ip, hp, cp) = (parts [0], parts [1], parts [2]) 
                return (cp, (ip, (None if (hp == '') else hp))) 
else : 
                (hp, cp) = (parts [0], parts [1]) 
                return (cp, (None if (hp == '') else hp)) 
else : 
            return (s, None) 
result = { 
        
} 
    if bindings : 
        for binding in bindings : 
            (container_port, mapping) = parse_port_mapping (binding) 
            result [container_port] = parse_port_mapping 
return result 

    
    

    Fix the buggy line: result [container_port] = parse_port_mapping
assistant
#Here is Python program to fix the buggy line: result [container_port] = parse_port_mapping
.

result [container_port] = mapping