Python姹備竴鍏冧簩娆℃柟绋嬭В，,鏍囩锛?a hre

Python姹備竴鍏冧簩娆℃柟绋嬭В，,鏍囩锛?a hre

鏍囩锛?a href='http://www.byrx.net/so/1/sqrt' title='sqrt'>sqrt

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璇峰畾涔変竴涓嚱鏁?鈥檘uadratic(a,b,c)鈥橈紝鎺ユ敹涓変釜鍙傛暟锛岃繑鍥炰竴鍏冧簩娆℃柟绋?
ax2 + bx + c = 0
鐨勪袱涓В銆傦紙鎻愮ず锛氳绠楀钩鏂规牴鍙互璋冪敤math.sqrt()鍑芥暟锛?/p>

import mathdef quadratic(a, b, c):    if not isinstance(a, (int, float)):        raise TypeError(鈥榓 is not a number鈥?    if not isinstance(b, (int, float)):        raise TypeErrot(鈥榖 is not a number鈥?    if not isinstance(c, (int, float)):        raise TypeError(鈥榗 is not a number鈥?    derta = b * b - 4 * a * c    if a == 0:        if b == 0:            if c == 0:                return 鈥樻柟绋嬫牴鏄叏浣撳疄鏁扳€?            else:               return 鈥樻柟绋嬫棤鏍光€?        else:            x1 = -c / b            x2 = x1            return x1, x2    else:        if derta < 0:            return 鈥樻柟绋嬫棤鏍光€?        else:            x1 = (-b + math.sqrt(derta)) / (2 * a)            x2 = (-b - math.sqrt(derta)) / (2 * a)            return x1, x2print(quadratic(2, 3, 1))print(quadratic(1, 3, -4))

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Python姹備竴鍏冧簩娆℃柟绋嬭В

鏍囩锛?a href='http://www.byrx.net/so/1/sqrt' title='sqrt'>sqrt

鍘熸枃鍦板潃锛歨ttps://www.cnblogs.com/sisul/p/8407334.html