动态格式化字符串
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a = [[ 1 , 2 , 3 ], [ 4 , 5 , 6 ],[ 7 , 8 ], [ 10 , 11 , 12 , 13 , 14 ]]
for i in a:
fmt = '%s ' * len (i)
argvs = ''.join([ "i[%s], " % j for j in range ( len (i)])
print fmt % eval (argvs)
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获取当前登录用户
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user = subprocess.Popen( 'who' , shell = True , stdout = subprocess.PIPE)
print list ( set (user.stdout.read().split()[:: 5 ]))
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Mysql查询结果显示中文。
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MySQLdb.connect(host = '192.168.1.4' ,user = 'test' ,passwd = 'test' ,db = 'test' , use_unicode = True , charset = "utf8" ) #括号里面加入 use_unicode=True, charset="utf8" 这两句。
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