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Please feel free to experiment here, after the four dashes below... and please do '''NOT''' create new pages without any meaningful content just to try it out! | #acl Known:read,write All:read ---- '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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'''Tip:''' Shift-click "HelpOnEditing" to open a second window with the help pages. ---- |
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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[[TableOfContents]] WIKI测试区本区请任意修改, 测试各种语法. {{{无修饰文字; 原文呈现测试}}} * 第一点 oo * 第二点 ''第二眯'' * 第三点 --------- 体验 ---- ''斜体''; '''粗体'''; '''''粗斜'''''; ''混合 '''粗体''' 与斜体''; ---- 分隔线 = Hi = == Hi Hi == ==== Hi Hi Hi ==== ===== Hi Hi Hi ===== ====== Hi Hi Hi ====== ---- ----- ------ ------- -------- --------- == Formatting == ''italic'' '''bold''' {{{typewriter}}} `backtick typewriter` (configurable) {{{ preformatted }}} == Linking == HelpOnEditing MoinMoin:InterWiki http://purl.net/wiki/moin/ [http://www.python.org/ Python] [email protected] === Image Link === http://c2.com/sig/wiki.gif == Lists == === Bullet === * first 1. nested and numbered 1. numbered lists are renumbered * second blockquote deeper === Glossary === Term:: Definition === Drawing === drawing:mytest Here is a '''new''' test |
["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 d>0: a=['a','b','c'] b=[0,0,0] for i in range(3): except ValueError as err: print('方程的根为:',getroot(b[0],b[1],b[2]))
else:
else:
return(r1,r2)
elif d==0:
else:
b[i]=j
["PythonLearningPlan"] ["MyNewPage"]