def iconcat(a, b):
    "Same as a += b, for a and b sequences."
    if not hasattr(a, '__getitem__'):
        msg = "'%s' object can't be concatenated" % type(a).__name__
        raise TypeError(msg)
    a += b
    return a
def iconcat(a, b):
    "Same as a += b, for a and b sequences."
    if not hasattr(a, '__getitem__'):
        msg = "'%s' object can't be concatenated" % type(a).__name__
        raise TypeError(msg)
    a += b
    return a
def iconcat ( a , b ) : if not hasattr ( a , '__getitem__' ) : msg = "'%s' object can't be concatenated" % type ( a ) . __name__ raise TypeError ( msg ) a += b return a
Same as a += b, for a and b sequences.
Same as a + = b for a and b sequences .