Diff for "WikiSandBox" - Woodpecker Wiki for CPUG

Differences between revisions 193 and 202 (spanning 9 versions)

'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
  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:
  - pass
  else:
  - print('方程的根为:',getroot(b[0],b[1],b[2]))

["PythonLearningPlan"] ["MyNewPage"]

-  ⇤ ← Revision 193 as of 2012-05-16 13:31:15 → 
  Size: 1093
  Editor: daxian001
  Comment:
+   ← Revision 202 as of 2013-12-17 09:23:32 → ⇥
  Size: 1832
  Editor: lengxuezhixuan
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 3:
-----                                       '刚入门，你还要留我多长时间？才肯放我晋级行者啊！！！！'
+----
 Line 5:
-'自己编写的一个小小简单python程序'
+'刚入门，你还要留我多长时间？才肯放我晋级行者啊！！！！'
 Line 7:
-'''
#ax^2+bx+c=0 解二次方程的根
+'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<<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)'''

'''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
-Line 13:
+Line 17:
-Line 19:
+Line 22:
-Line 23:
+Line 25:
+    e1=-b+math.sqrt(abs(d))
-Line 24:
+Line 27:
-        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
-Line 26:
+Line 36:
-        e2=-b-math.sqrt(abs(d))
+        print('无根')
-Line 28:
+Line 38:
-        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)
+        return(r1,r2)
 Line 48:
-            j=float(a[i])
+            b[i]=float(a[i])
 Line 52:
-    b[i]=j
print('方程的根为:',getroot(b[0],b[1],b[2]))
'''
+        if ValueError:
            pass
        else:
            print('方程的根为:',getroot(b[0],b[1],b[2]))
-Line 56:
+Line 57:
-["PythonLearningPlan"]
["MyNewPage"]
+["PythonLearningPlan"] ["MyNewPage"]