为什么提示缩进有问题？

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为什么提示缩进有问题？

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YY饺子

#1 Created at ... [Delete] [Delete and Lock User]

import math def quadratic(a, b, c): q=bb-4ac if q<0: return ('wujieguo') elif q==0: return ('hanshujiewei' ) else: x1=(-b+math.sqrt(q))/(2a) x2=(-b-math.sqrt(q))/(2*a) return (x1,x2) print(quadratic(2,3,1))

YY饺子

#2 Created at ... [Delete] [Delete and Lock User]

代码里是有乘号的，不知为啥贴上去就没有了

YY饺子

#3 Created at ... [Delete] [Delete and Lock User]

又贴了一遍

import math
def quadratic(a,b,c):
    f=b**2-4*a*c
    if f<0:
      return ('方程无解')
    elif f==0:
      return (-b/(2*a))
    else:
      x1=(-b-math.sqrt(f))/(2*a)
      x2=(-b+math.sqrt(f))/(2*a)
      return (x1,x2)
print(quadratic(4,8,2))