在此插入代码
def method(a, b, c): if not isinstance(a, (int,float)) and isinstance(b, (int,float)) and isinstance(c, (int,float)): print "Bad Number" else: m=b*2-4ac>0 if m>0: return (-b+math.sqrt(m))/(2a),(-b-math.sqrt(m))/(2*a) else: return "无实根"
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Kindle-Life
def method(a, b, c): if not isinstance(a, (int,float)) and isinstance(b, (int,float)) and isinstance(c, (int,float)): print "Bad Number" else: m=b*2-4ac>0 if m>0: return (-b+math.sqrt(m))/(2a),(-b-math.sqrt(m))/(2*a) else: return "无实根"