請問問題出在哪，要哭了，謝謝
import math
def quadratic_equation(a, b, c):
??? if b**2 - 4*a*c > 0:
??????? x = (-b + math.sqrt(b**2 - 4*a*c))/(2*a)
??????? y = (-b - math.sqrt(b**2 - 4*a*c))/(2*a)
??????? return x, y
??? else:
??????? if b**2 - 4*a*c = 0:
??????????? x = (-b)/(2*a)
??????????? return x
??????? else:
??????????? return
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
2016-03-20
第二個 if 判斷中的 賦值號“=”改為 等號“==”