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[[MyNewPage]] ["new page"] ,,爱尔兰的鱼,, ["点我"] | ---- '刚入门,你还要留我多长时间?才肯放我晋级行者啊!!!!' '自己编写的一个小小简单python程序' ''' #ax^2+bx+c=0 解二次方程的根 import math def getroot(a,b,c): if a==0: if b!=0: r1=r2=-c/b else: r1=r2=None print('a,b,c!=0') else: d=b**2-4*a*c e1=-b+math.sqrt(abs(d)) e2=-b-math.sqrt(abs(d)) if d>0: r1=e1/(2*a) r2=e2/(2*a) elif d==0: r1=r2=-b/(2*a) else: r1=r2=None print('无根') return(r1,r2) |
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= 介绍一下我自己 = . 专注于:C++,Java,linux,反垃圾邮件技术 对新技术富有激情,喜好读IT技术书籍;爱好广泛,关心股票,理财; . 喜欢NBA,英超;爱玩Dota,实况,NBA2008,跑跑卡丁车;喜欢作 . 麦霸(KTV)的感觉;哈哈 = 怎样找到我 = E-Mail: fxue@sei.xjtu.edu.cn CSDN: http://blog.csdn.net/hicsdn.aspx?username=Motoste douban: http://www.douban.com/people/2075457/ Wiki: http://wiki.woodpecker.org.cn/moin/motoste MSN: motoste.x@hotmail.com GTalk: stephen.xuefeng@gmail.com |
a=['a','b','c'] b=[0,0,0] for i in range(3): a[i]=input("please float integer %s="%a[i]) if a[i]: try: j=float(a[i]) except ValueError as err: print(err) break b[i]=j print('方程的根为:',getroot(b[0],b[1],b[2])) ''' |
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== 最新行动 == {{{ 时间有冲突不能去广州了,好晕!!!}}} * NO.1 * ON.2 * NO.2 ==读书心得== ---- . NewPageMy ---- . HelpOnEditing MoinMoin:InterWiki ["/TestLink:BrokenProblem"] http://purl.net/wiki/moin/ [http://www.python.org/ Python] sunyfrand@gmail.com sunyfrand@hotmail.com === Image Link === http://c2.com/sig/wiki.gif Term :: Definition === Drawing === drawing:mytest == 宏 macro == [[MonthCalendar]] == 中文Wiki链接 == . =============================== = 标题testByAdamGu = == 副标题1 testByAdamGu == === 副标题2 testByAdamGu === -------- {{{ #!python #test python highlight class Test: __init__(self): pass }}} [[Anchor(锚点byAdamGu)]] MyNewPage |
["PythonLearningPlan"] ["MyNewPage"] |
'刚入门,你还要留我多长时间?才肯放我晋级行者啊!!!!' '自己编写的一个小小简单python程序' #ax^2+bx+c=0 解二次方程的根 import math def getroot(a,b,c):
- if a==0:
- if b!=0:
- r1=r2=-c/b
- r1=r2=None print('a,b,c!=0')
- d=b**2-4*a*c e1=-b+math.sqrt(abs(d)) e2=-b-math.sqrt(abs(d))
if d>0:
- r1=e1/(2*a) r2=e2/(2*a)
- r1=r2=-b/(2*a)
- r1=r2=None print('无根')
- if b!=0:
a=['a','b','c'] b=[0,0,0] for i in range(3):
- a[i]=input("please float integer %s="%a[i]) if a[i]:
- try:
- j=float(a[i])
except ValueError as err:
- print(err) break
- try:
print('方程的根为:',getroot(b[0],b[1],b[2]))
["PythonLearningPlan"] ["MyNewPage"]