Python - Bucle For

f = np.arange(0,40+Df,Df)

for i in f:

    K1 = [2*np.pi*(i)/Vs11]

f = np.arange(0,40+Df,Df)

lista=[[2*np.pi*(i)/Vs11] for i in f]

f = np.arange(Df,40+Df,Df)

K1 = 2*np.pi*f/150

K2 = 2*np.pi*f/250

for Y in K1:

    for X in K2:

        E1 = [1/np.tan(Y*H1),-1/np.sin(Y*H1),-1/np.sin(Y*H1),1/np.tan(Y*H1)]

        E1 = np.array(E1)

        E1 = E1.reshape(2,2)

        E2 = [1/np.tan(X*H2),-1/np.sin(X*H2),-1/np.sin(X*H2),1/np.tan(X*H2)]

        E2 = np.array(E2)

        E2 = E2.reshape(2,2)

        E11 = E1[1,1]

        E22 = E2[0,0]

        E12 = E11 + E22

        Et = np.array([E1[0,0],E1[0,1],E1[1,0],E12]).reshape(2,2)

        Eti = np.linalg.inv(Et)

        Eti = Eti * (0,1)

        Tf = Eti* E2[0,1]

        Tf2 = Tf[0,1]

        Tf1 = []

        if X <= 50:

         Tf1 = np.append(Tf1,Tf2)