Python小脚本

#########################################################################
#@@@@@@fuction：      域名解析
#@@@@@@author：      hejoy
#@@@@@@date   ：  2017

wget http://www.dnspython.org/kits/1.9.4/dnspython-1.9.4.tar.gz
tar -xzvf dnspython-1.9.4.tar.gz
cd dnspython-1.9.4
python setup.py install

[root@zy code]# cat simple.py 
#!/usr/bin/env python

import dns.resolver


domain=raw_input('please input an domain:')
REST=dns.resolver.query(domain,'REST')
for i in REST.response.answer:
	for j in i.items:
		print j.address
[root@zy code]# python simple.py 
please input an domain:google.com
74.125.23.113
74.125.23.102
74.125.23.138
74.125.23.100
74.125.23.139
74.125.23.101

 比较两个字符串的不同之处

#!/usr/bin/env python


import difflib
textchar="""textchar:
        this molde provides classes and functions for comparing sequences.
including HTML and context and unified diffs.
difflib document v7.4
and string
"""
textchar_lines=textchar.splitlines()
textchar1="""textchar:
        this molde provides classes and functions for comparing sequences.
including HTML and context and unified diffs.
difflib document v7.5"""
textchar1_lines=textchar1.splitlines()
d=difflib.Differ()
diff=d.compare(textchar_lines,textchar1_lines)
print '\n'.join(list(diff))

[root@zy code]# python simple2.py
textchar:
- this molde provides classes and functions for comparing sequences.
? ^

+ this molde provides classes and functions for comparing sequences.
? ^^^^^^^^

including HTML and context and unified diffs.
- difflib document v7.4
? ^

+ difflib document v7.5
? ^

- and string
[root@zhiyu code]# vim simple2.py
[root@zhiyu code]# python simple2.py
textchar:
- this molde provides classes and functions for comparing sequences.
? ^

+ this molde provides classes and functions for comparing sequences.
? ^^^^^^^^

including HTML and context and unified diffs.
- difflib document v7.4
? ^

+ difflib document v7.5
? ^

- and string