def concat(xs, axis=1):
    'Concatenates given variables along an axis.\n\n    Args:\n        xs (tuple of Variables): Variables to be concatenated.\n        axis (int): Axis that the input arrays are concatenated along.\n\n    Returns:\n        ~chainer.Variable: Output variable.\n\n    '
    return Concat(axis=axis)(*xs)
Concatenates given variables along an axis.

Args:
    xs (tuple of Variables): Variables to be concatenated.
    axis (int): Axis that the input arrays are concatenated along.

Returns:
    ~chainer.Variable: Output variable.
def concat(xs, axis=1):
    'Concatenates given variables along an axis.\n\n    Args:\n        xs (tuple of Variables): Variables to be concatenated.\n        axis (int): Axis that the input arrays are concatenated along.\n\n    Returns:\n        ~chainer.Variable: Output variable.\n\n    '
    return Concat(axis=axis)(*xs)