PythonÖÐÖ´ÐÐshellÃüÁîµÄʵÀý
1¡£
myCoolVariable="some_string"
os.system("echo myCoolVariable")
2.
>>> os.system('echo "asdg"')
asdg
0
>>> os.system("echo 'asdgwere'")
asdgwere
0
3.
$ python
>>>hamburger="potato"
>>>import os
>>>os.system("echo 'hamburger'")
potato
0
4.
hamburger=os.system('echo $MY_SHELL_VAR | sed "s/longsed/replacement/g"')
5.
>>> string="python is cool"
>>> cmd="echo "+string
>>> os.system(cmd)
python is cool
0
>>>
6.
bash$ python
Python 2.4.3 (#1, May 18 2006, 07:40:45)
[GCC 3.3.3 (cygwin special)] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from os import system
>>> food = 'spam'
>>> system('echo %(food)s' % locals())
spam
0
>>>
Ïà¹ØÎĵµ£º
int main()
{
int a[] = {1,2,3,4,5};
int i;
int * p = a;
for (p = a + 4, i = 0; i < 5; i++) {
printf("%d ",p[-i]);
}
return 0;
}
......
import sys, pygame, time
size = width, height = 700,700
fontColor = (0,0,255)
class walk:
'''This is a game about war.
Just like war 3.'''
def __init__(self):
'''Init the screen.
Get param and init the screen'''
#print ('this is init funnction') ......
Ò»¡¢Ê²Ã´ÊÇPython£¿
¶ÔÓÚÕâÖÖÎÊÌâÎÒÃÇÀ´°Ù¶ÈһϾͿÉÒÔÁË¡£
“PythonÊÇÒ»ÖÖ¿ª·ÅÔ´´úÂëµÄ½Å±¾±à³ÌÓïÑÔ£¬ÕâÖֽű¾ÓïÑÔÌØ±ðÇ¿µ÷¿ª·¢ËٶȺʹúÂëµÄÇåÎú³Ì¶È¡£Ëü¿ÉÒÔÓÃÀ´¿ª·¢¸÷ÖÖ³ÌÐò£¬´Ó¼òµ¥µÄ½Å±¾ÈÎÎñµ½¸´Ôӵġ¢ÃæÏò¶ÔÏóµÄÓ¦ÓóÌÐò¶¼ÓдóÏÔÉíÊֵĵط½¡£Python»¹±»µ±×÷Ò»ÖÖÈëÃųÌÐòÔ±×îÊʺÏÕÆÎÕµÄÓÅÐãÓïÑÔ£¬ÒòΪËüÃâ·Ñ¡¢Ã ......
ÔÚÒ»¸öÏîÄ¿ÖÐÐèÒª»ñÈ¡Ëæ»úÊý£¬ËÖªµÀÓöµ½µãÎÊÌâ£ºËæ»úÊý²»Ëæ»ú¡£ËùÒÔÎÒдÁ˸ö¼òµ¥ÔÐÍ¡£¿´Ïµ½µ×ÊÇɶÎÊÌâ¡£
import os,random,sys,time
while True:
father = os.fork()
if father:
time.sleep(2)
rd = 7
else:
#random.seed()
rd = random.choice([2,3,4,5])
......