#!/usr/bin/env python3 # -*- coding: utf-8 -*- import math def quadratic(a,b,c): Dis=(b*b)-(4*a*c) if Dis<0: print('无实数解') return None elif Dis==0: return -b/(2*a) else: return ((-b)+math.sqrt(Dis))/(2*a),((-b)-math.sqrt(Dis))/(2*a) a=int(input('give me a: ')) b=int(input('give me b: ')) c=int(input('give me c: ')) print(quadratic(a,b,c))
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