分页: 1 / 1

试写了个小程序,现在报错,请各位大神指教!谢谢大家!

发表于 : 2015-04-12 10:06
jackness

代码: 全选

#!/usr/bin/python
def CanCombin(A,B,num):
	ret = ()
	for i in range(1,num/A):
		print i
		lest = num - i*A;
		if lest < B:
			return ()	
		if (num - i*A)%B == 0:
			bx = (num -i*A)/B
			ret = (i,bx)
			return ret;
		return ret;
a = 4
b = 5
c = 153
if __name __ =='__main__':
	print CanCombin(a,b,c)
操作步骤如下:

代码: 全选

[jackness@promote ~]$ ls
helloworld.class  mozilla.pdf  workspace  模板  图片  下载  桌面
helloworld.java   tjh          公共       视频  文档  音乐
[jackness@promote ~]$ cd tjh
[jackness@promote tjh]$ ls
python  shell下编程
[jackness@promote tjh]$ cd shell下编程/
[jackness@promote shell下编程]$ ls
[jackness@promote shell下编程]$ gedit test.py
[jackness@promote shell下编程]$ su
密码:
[root@promote shell下编程]# gedit test.py

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:3089): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
[root@promote shell下编程]# ls
test.py
[root@promote shell下编程]# python test.py 
[root@promote shell下编程]# ls
csvtest.csv  test.py
[root@promote shell下编程]# ./csvtest.csv
bash: ./csvtest.csv: 权限不够
[root@promote shell下编程]# chmod +x csvtest.csv 
[root@promote shell下编程]# ./csvtest.csv 
./csvtest.csv:行1: $'id,url,keywords\r': 未找到命令
: 没有那个文件或目录,http://www.xiaoheiseo.com/,小黑
: 没有那个文件或目录,http://www.baidu.com/,百度
: 没有那个文件或目录,http://www.jd.com/,京东
[root@promote shell下编程]# cvs
bash: cvs: 未找到命令...
[root@promote shell下编程]# csv
bash: csv: 未找到命令...
[root@promote shell下编程]# rpm -qa|grep cvs
libsrtp-1.4.4-10.20101004cvs.fc20.x86_64
jai-imageio-core-1.2-0.13.20100217cvs.fc20.noarch
lklug-fonts-0.6-10.20090803cvs.fc20.noarch
libedit-3.1-2.20130601cvs.fc20.x86_64
[root@promote shell下编程]# gedit combin.py

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9556): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
[root@promote shell下编程]# ls
combin.py  csvtest.csv  test.py
[root@promote shell下编程]# chmod +x combin.py 
[root@promote shell下编程]# ./combin.py 
  File "./combin.py", line 17
    if __name __ =='__main__':
               ^
SyntaxError: invalid syntax
[root@promote shell下编程]# gedit combin.py

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)
Error creating proxy: 连接已关闭 (g-io-error-quark, 18)

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭

(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
  
(gedit:9689): dconf-WARNING **: failed to commit changes to dconf: 连接已关闭
[root@promote shell下编程]# 

Re: 试写了个小程序,现在报错,请各位大神指教!谢谢大家!

发表于 : 2015-04-12 21:53
astolia
你发错版了。另外不要贴一大堆无关的命令,以前叫你贴一下ls的结果是因为报了文件相关的错,像这次这种语法错误你这么做反而给人添麻烦

代码: 全选

 File "./combin.py", line 17
    if __name __ =='__main__':
               ^
SyntaxError: invalid syntax
是__name__而不是__name __。你看得出区别吗?

Re: 试写了个小程序,现在报错,请各位大神指教!谢谢大家!

发表于 : 2015-04-13 10:59
jackness
astolia 写了:你发错版了。另外不要贴一大堆无关的命令,以前叫你贴一下ls的结果是因为报了文件相关的错,像这次这种语法错误你这么做反而给人添麻烦

代码: 全选

 File "./combin.py", line 17
    if __name __ =='__main__':
               ^
SyntaxError: invalid syntax
是__name__而不是__name __。你看得出区别吗?
这是什么区别啊?我怎么一点看不出来啊?python语法怎么是这样的啊?谢谢大神回答我的问题。非常感谢你!请继续指教!谢谢!

Re: 试写了个小程序,现在报错,请各位大神指教!谢谢大家!

发表于 : 2015-04-13 16:19
dwl301
"__name __"

name和其后面的__之间为啥有个空格?!

Re: 试写了个小程序,现在报错,请各位大神指教!谢谢大家!

发表于 : 2015-04-13 19:57
jackness
dwl301 写了:"__name __"

name和其后面的__之间为啥有个空格?!
谢谢大神,就是一个空格的问题。我的眼睛是有点糊涂。非常感谢!