def polynome(*coef): r = '' for e in range(len(coef)): if e == 0 and coef[e] != 0: r += str( coef[e] ) elif e == 1: if coef[e] == 1: r += '+x' elif coef[e] == -1: r += '-x' elif coef[e] < 0: r += str( coef[e] ) + 'x' elif coef[e] > 0: r += '+' + str( coef[e] ) + 'x'