#1.计算多项式的和 sum = 0 for i in range(1,101): sum = sum + 1 / i print("sum = %.6f"% sum)#2.计算多项式的和 sum = 1 f = -1 for i in range(2,101): sum = sum + 1 / i * f f = -f print("sum = %.6f" % sum)sum3 = 0 m = 0 for i in range(1,101): m = m + i sum3 = sum3 + 1 / m print("sum3 = %.6f" % sum3)m = 2 sum4 = 0 for i in range(1,7): sum4 = sum4 + m m = m * 10 + 2 print("sum4=", sum4)