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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def cc(self, chan, ctrl, val):
 """Send control change value. The controls that are recognized are dependent on the SoundFont. Values are always 0 to 127. Typical controls include: 1: vibrato 7: volume 10: pan (left to right) 11: expression (soft to loud) 64: sustain 91: reverb 93: chorus """

        return fluid_synth_cc(self.synth, chan, ctrl, val)