# original program

R = 1.097e-2

for m in [1,2,3]:

    print("Series for m =",m)

    for k in [1,2,3,4,5]:
        
        n = m + k
        
        invlambda = R * (1/m**2 - 1/n**2)
        
        print(" ", 1/invlambda, " nm")
        

# alternate program

R = 1.097e-2

for m in range(1,4):
    
    print("Series for m =",m)
    
    for n in range(m+1,m+6):
        
        invlambda = R * (1/m**2 - 1/n**2)
        
        print(" ",1/invlambda," nm")