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← Revision 203 as of 2013-12-17 14:04:40 ⇥
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| 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 ---- MyNewPage '刚入门，你还要留我多长时间？才肯放我晋级行者啊！！！！' |
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| '''Tip:''' Shift-click "HelpOnEditing" to open a second window with the help pages. ---- |
'自己编写的一个小小简单python程序' 为什么没缩进啊？？？？ |
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| == Formatting == | '''#ax^2+bx+c=0 解二次方程的根<<BR>>import math<<BR>>def getroot(a,b,c):<<BR>> if a==0:<<BR>> if b!=0:<<BR>> r1=r2=-c/b<<BR>> else:<<BR>> r1=r2=None<<BR>> print('a,b,c!=0')<<BR>> else:<<BR>> d=b**2-4*a*c<<BR>> e1=-b+math.sqrt(abs(d))<<BR>> e2=-b-math.sqrt(abs(d))<<BR>> if d>0:<<BR>> r1=e1/(2*a)<<BR>> r2=e2/(2*a)<<BR>> elif d==0:<<BR>> r1=r2=-b/(2*a)<<BR>> else:<<BR>> r1=r2=None<<BR>> print('无根')<<BR>> return(r1,r2)''' |
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| ''italic'' '''bold''' {{{typewriter}}} | '''a=['a','b','c']<<BR>>b=[0,0,0]<<BR>>for i in range(3):<<BR>> a[i]=input("please float integer %s="%a[i])<<BR>> if a[i]:<<BR>> try:<<BR>> b[i]=float(a[i])<<BR>> except ValueError as err:<<BR>> print(err)<<BR>> break<<BR>>if ValueError:<<BR>> pass<<BR>>else: print('方程的根为:',getroot(b[0],b[1],b[2]))<<BR>>''' #coding:utf-8 |
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| `backtick typewriter` (configurable) | import math |
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| {{{ preformatted }}} |
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)) |
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| == Linking == | 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 |
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| HelpOnEditing MoinMoin:InterWiki | print('无根') |
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| http://purl.net/wiki/moin/ [http://www.python.org/ Python] | return(r1,r2) |
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| [email protected] | a=['a','b','c'] |
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| b=[0,0,0] | |
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| === Image Link === http://c2.com/sig/wiki.gif |
for i in range(3): a[i]=input("please float integer %s="%a[i]) if a[i]: try: b[i]=float(a[i]) except ValueError as err: print(err) break if ValueError: pass else: print('方程的根为:',getroot(b[0],b[1],b[2])) |
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| == 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"] |
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' 为什么没缩进啊？？？？
#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:
b[i]=float(a[i])
except ValueError as err:
print(err)
break
if ValueError:<<BR>> pass
else: print('方程的根为:',getroot(b[0],b[1],b[2]))
#coding:utf-8
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
if d>0:
- r1=e1/(2*a) r2=e2/(2*a)
- r1=r2=-b/(2*a)
- r1=r2=None print('无根') return(r1,r2)
- 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:
- b[i]=float(a[i])
except ValueError as err:
- print(err) break
if ValueError:
- pass
- print('方程的根为:',getroot(b[0],b[1],b[2]))
- try:
["PythonLearningPlan"] ["MyNewPage"]