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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 _sinusoid(x, p, L, y):
 """ Return the sinusoid cont func evaluated at input x for the continuum. Parameters x: float or np.array data, input to function p: ndarray coefficients of fitting function L: float width of x data y: float or np.array output data corresponding to input x Returns ------- func: float function evaluated for the input x """

    N = int(len(p)/2)
    n = np.linspace(0, N, N+1)
    k = n*np.pi/L
    func = 0
    for n in range(0, N):
        func += p[2*n]*np.sin(k[n]*x)+p[2*n+1]*np.cos(k[n]*x)
    return func