aima/csp.py
def MapColoringCSP(colors, neighbors):
    """Make a CSP for the problem of coloring a map with different colors
    for any two adjacent regions.  Arguments are a list of colors, and a
    dict of {region: [neighbor,...]} entries.  This dict may also be
    specified as a string of the form defined by parse_neighbors."""
    if isinstance(neighbors, str):
        neighbors = parse_neighbors(neighbors)
    return CSP(neighbors.keys(), UniversalDict(colors), neighbors,
               different_values_constraint)
def MapColoringCSP(colors, neighbors):
    """Make a CSP for the problem of coloring a map with different colors
    for any two adjacent regions.  Arguments are a list of colors, and a
    dict of {region: [neighbor,...]} entries.  This dict may also be
    specified as a string of the form defined by parse_neighbors."""
    if isinstance(neighbors, str):
        neighbors = parse_neighbors(neighbors)
    return CSP(neighbors.keys(), UniversalDict(colors), neighbors,
               different_values_constraint)
Make a CSP for the problem of coloring a map with different colors
    for any two adjacent regions.  Arguments are a list of colors, and a
    dict of {region: [neighbor,...]} entries.  This dict may also be
    specified as a string of the form defined by parse_neighbors.