在这边浏览器运行正常,但是在pyCharm运行无结果,为什么
import math
def quadratic_equation(a, b, c):
if(a!=0 and b*b-4*a*c>=0):
x1= (-b+math.sqrt(b*b-4*a*c))/(2*a)
x2=(-b-math.sqrt(b*b-4*a*c))/(2*a)
return x1,x2
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)