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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 make_vel(self):
        "Make a set of velocities to be randomly chosen for emitted particles"
        self.vel = random.normal(self.vel_mu, self.vel_sigma, 16)
        # Make sure nothing's slower than 1/8 pixel / step
        for i, vel in enumerate(self.vel):
            if abs(vel) < 0.125 / self._size:
                if vel < 0:
                    self.vel[i] = -0.125 / self._size
                else:
                    self.vel[i] = 0.125 / self._size