python基本操作

mancha

import sets
myString="iaslfj"+"asdfasdf"
guess=True
#laskdfjlasdjflasdkfkljljk;
print (myString+"\n")
if True:
print('i am true');
else:
print('i am wrong');

while guess:
print("ok");guess=False;
while True:
print("break test")
break
while guess:
print('OK')
else:
print (guess)
#for
for i in range(1, 5):
print (i)
else:
print 'The for loop is over'

#set set,intersection,difference
a=[1,2,3,4]
b=[2,3,5]
c=sets.Set(a).intersection(sets.Set(b))
print c
for i in c:
print i

cmd   =   "cat   "   +   file1   +   "   "   +   "file2"   +   ">>/home/test/file3.txt";  
  os.system(cmd);
 

　　database:

'''
Created on 2009-12-24
@author: jizhong.yang
'''
import cx_Oracle
import sets
myDsn = cx_Oracle.makedsn('*.*.*.*',1521,'oss32')   
conn = cx_Oracle.connect('name', 'pass', myDsn)
cur = conn.cursor()
cur.execute("select * from fc_lognames where rownum<10 and type='billing' and log_date='20091226'")
r = cur.fetchall()
lognames=[]
for row in r:
lognames.append(row[3])
for m in lognames:
print m
print lognames
print "=========================================="
cur.execute("select  * from LOG_FILENAME@BILL_dongguan.CHINACACHE t where rownum<10 and  t.createtime<=to_date('2009-12-26 23:59:59','yyyy-mm-dd hh24:mi:ss') and t.createtime>=to_date('2009-12-22 00:00:00','yyyy-mm-dd hh24:mi:ss')")
rr = cur.fetchall()
lognames_normandy=[]
for row in rr:
lognames_normandy.append(row[1])
for mm in lognames_normandy:
print mm

cur.close()
conn.close()