Differences between revisions 1 and 192 (spanning 191 versions)
Revision 1 as of 2005-02-05 06:47:35
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Editor: anonymous
Comment: missing edit-log entry for this revision
Revision 192 as of 2012-05-16 13:28:53
Size: 1075
Editor: daxian001
Comment:
Deletions are marked like this. Additions are marked like this.
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##language:en
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!
##language:zh
#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'
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'''Tip:''' Shift-click "HelpOnEditing" to open a second window with the help pages.
----
'''
#ax^2+bx+c=0 解二次方程的根
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== Formatting == import math
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''italic'' '''bold''' {{{typewriter}}} def getroot(a,b,c):
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`backtick typewriter` (configurable)     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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{{{
preformatted
}}}
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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== 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 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)