import math
r = raw_input('请输入半径:')
r = float(r)
v = 4 / 3 * math.pi * pow(r, 3)
s = 4 * math.pi * pow(r, 2)
print '体积是:', v
print '表面积是:', s
12345678import math r = raw_input('请输入半径:')r = float(r)v = 4 / 3 * math.pi * pow(r, 3) s = 4 * math.pi * pow(r, 2)print '体积是:', vprint '表面积是:', s