執行不起來？
import math
def quadratic_equation(a, b, c):
??? d = b*b-4*a*c
??? if d>=0:
??????? x1 = (-b)/(2*a) + math.squrt(d)/(2*a)
??????? x2 = (-b)/(2*a) - math.squrt(d)/(2*a)
??????? return x1,x2
??? else:
??????? return None
print quadratic_equation(2,3,0)
print quadratic_equation(1,-6,5)
2016-08-17
應該是sqrt吧？
2016-08-17
函數拼錯了，我醉了看半天，是math.sqrt()
2016-08-17
。。。。squrt() ?是什么鬼，，，