n = 100
S = 0 # initialisation de S

for k in range(1,n+1):
    S = S + k**3 
    T = (k*(k+1)/2)**2
    print(S==T) # vérification de l'égalité

print("Sn =",S)    
print("Tn =",T)    
print("Sn-Tn=",S-T)