Differences between revisions 147 and 191 (spanning 44 versions)
Revision 147 as of 2009-03-20 04:27:06
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Editor: ai77
Comment:
Revision 191 as of 2012-05-16 13:26:52
Size: 1067
Editor: daxian001
Comment:
Deletions are marked like this. Additions are marked like this.
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= RexChen'S HOME->>> PYTHON =
----
 . Though i am freshman,i belive:
 . i'm the best!!! And i want to be better!
----
 . ["个人网页分类"] MyNewPage3
["Zone"]
---- '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)
Line 11: Line 29:
 * http://moinmoin.wikiwikiweb.de/
 * [http://moinmoin.wikiwikiweb.de/]
 * [http://moinmoin.wikiwikiweb.de/ MoinMoin 的主页]
 * http://moinmoin.wikiwikiweb.de/wiki/classic/img/moinmoin.png
 * [http://moinmoin.wikiwikiweb.de/wiki/classic/img/moinmoin.png]
 * [http://moinmoin.wikiwikiweb.de/wiki/classic/img/moinmoin.png moinmoin.png]
 * InterWiki
  * Self:InterWiki
  * MeatBall:InterWiki
  * wiki:MeatBall/InterWiki
  * [wiki:MeatBall/InterWiki]
  * [wiki:MeatBall/InterWiki MeatBall上的维基链(InterWiki)页面]
 * [email protected]
 * [:维基链:这个维基上的维基链页面]
 * [#anchorname Link to anchor on this page]
 * [wiki:Self:OtherPage#anchorname Link to anchor on another wiki page]
 * [:OtherPage#anchorname:Link to page in current wiki with label text]
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]))
'''
Line 29: Line 43:
= 呵呵,随便来点吧。。。 =
 . 会成为标题
= d希腊字母: Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ τ υ φ χ ψ ω 运算符: ± × ÷ ∶∫ ∮ ≡ ≌ ≈ ∽ ∝ ≒ ≠ ≡ ≤ ≥ ≦ ≧ ≮ ≯ / √ ‰ ∑ ∏ & 关系运算符: ∧ ∨ 集合符号: ∪ ∩ ∈ ∣ 序号: ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ ⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ ≈ ㈠ ㈡ ㈢ ㈣ ㈤ ㈥ ㈦ ㈧ ㈨ ㈩ ← ↑ → ↓ ↖ ↗ ↘ ↙ ∞ ∴ ∵ ∶ ∷ ° ′ ″ ℃ ⊕ ⊿ △ ⊙ ∠ ⌒ ⊥ ∥ 〔 〕 〈 〉 《 》 「 」 『 』 〖 〗 【 】 ( ) [ ] { } ℡ § № ※ # & @ ☆ ★ ○ ● ◎ △ ▲ ◇ ◆ □ ■ 〓 ◣ ◥ ◤ ◢ ♀ ♂ 会成为副标题, 最多可用 5 个 "=" 号. =
--------
 . 产生分行线 {{{ 随便什么 }}}的作用和用 <pre> 差不多
 . 特别的{{{#!python ... }}}
  . 将自动对Python代码进行语法颜色处理!
[[Anchor(SectionAnchor)]] 产生一个名为"SectionAnchor"的锚点

HelloWorld

-- PhdTest [[DateTime(2008-10-07T08:46:21Z)]]
["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
      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)

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]))

["PythonLearningPlan"] ["MyNewPage"]

WikiSandBox (last edited 2013-12-17 14:04:40 by lengxuezhixuan)