'Assign a scalar value to a `netcdf_variable` of length one.
Parameters
value : scalar
Scalar value (of compatible type) to assign to a length-one netcdf
variable. This value will be written to file.
Raises
ValueError
If the input is not a scalar, or if the destination is not a length-one
netcdf variable.'

def assignValue(self, value):

    if (not self.data.flags.writeable):
        raise RuntimeError('variable    is    not    writeable')
    self.data.itemset(value)
