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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 calc_mse(q1, q2):
 """Compare the results of two simulations"""

    # Difference in positions between two simulations
    dq = q2 - q1
    # Mean squared error in AUs
    return np.sqrt(np.mean(dq*dq))/au2m