import math
def quadratic(a,b,c): if not isinstance(a,(int,float)) and (b,(int,float)) and (c,(int,float)): raise TypeError('bad operand type') D=(bb)-(4ac) if a==0: x=-b/c return('方程的解为:%.2f'%x) elif D>0: x1=(-b+math.sqrt(D))/(2a) x2=(-b-math.sqrt(D))/(2a) return('方程有2个实数解:x1=%.2f,x2=%.2f'%(x1,x2)) elif D==0: x1=x2=-b/(2a) return('方程有2个相同的实数解：x1=x2=%.2f'%(x1,x2)) elif D<0: return('方程无实数解')
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书生为寇
-- coding:utf-8 --
import math
def quadratic(a,b,c): if not isinstance(a,(int,float)) and (b,(int,float)) and (c,(int,float)): raise TypeError('bad operand type') D=(bb)-(4ac) if a==0: x=-b/c return('方程的解为:%.2f'%x) elif D>0: x1=(-b+math.sqrt(D))/(2a) x2=(-b-math.sqrt(D))/(2a) return('方程有2个实数解:x1=%.2f,x2=%.2f'%(x1,x2)) elif D==0: x1=x2=-b/(2a) return('方程有2个相同的实数解：x1=x2=%.2f'%(x1,x2)) elif D<0: return('方程无实数解')