def quadratic(a,b,c):
if a==0:
print('your enter number is false,can not give answer')
return None
delta=math.pow(b,2)-4ac
if delta>=0:
x1=(-b+math.sqrt(delta))/(2a)
x2=(-b-math.sqrt(delta))/(2a)
return x1,x2
else:
print('not answer')
a=float(input('输入a'))
b=float(input('输入b'))
c=float(input('输入c'))
x=quadratic(a,b,c)
print(x)
那年今日34
def quadratic(a,b,c): if a==0: print('your enter number is false,can not give answer') return None delta=math.pow(b,2)-4ac if delta>=0: x1=(-b+math.sqrt(delta))/(2a) x2=(-b-math.sqrt(delta))/(2a) return x1,x2 else: print('not answer') a=float(input('输入a')) b=float(input('输入b')) c=float(input('输入c')) x=quadratic(a,b,c) print(x)