老年人学python
Topic source
您好，我参照你写的，运行不出结果呢，可以帮忙看看哪里的问题么
import math
def quadratic(a,b,c):
if not isinstance(a or b or c,(int,float)):
raise TypeError('bad operand type')
elif b**2<4*a*c:
print('无解')
else:
x1=(-b+math.sqrt(b**2-4*a*c))/(2*a)
x2=(-b-math.sqrt(b**2-4*a*c))/(2*a)
return x1,x2
- 1
黄粱好多梦
import math
defquadratic(a,b,c):
ifnotisinstance(a or b or c,(int,float)):
raiseTypeError('bad operand type')
elif b*b<4*a*c:
print('无解')
else:
x1 =(-b + math.sqrt(b**2-4*a*c))/2/a
x2 =(-b - math.sqrt(b**2-4*a*c))/2/a
return x1,x2
x=quadratic(1,8,1)
print(x)