第1个回答 2017-06-03
import math
def quadratic(a,b,c):
delta = b* b - 4* a* c
if delta < 0:
print 'No square root, because the discriminant (delta) is less than zero'
else:
x1 = (-b + math.sqrt(delta))/(2*a)
x2 = (-b - math.sqrt(delta))/(2*a)
return x1, x2
print quadratic(1,2,1)
这样就有结果了
望采纳!