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Python 的代码
mymodule_demo2.py
#!/usr/bin/env python
# Filename: mymodule_demo2.py
from mymodule import sayhi,version
# Alternative:
# from mymodule import *
sayhi()
print 'Version',version
list_comprehension.py
#!/usr/bin/env python
# Filename: list_comprehension.py
listone=[2,3,4]
listtwo=[2*i for i in listone if i>2]
print listtwo
func_local.py
#!/usr/bin/env python
# Filename: func_local.py
def func(x):
print 'x is',x
x=2
print 'Changed local x to',x
x=50
func(x)
print 'x is still',x
expression.py
#!/usr/bin/env python
# Filename: expression.py
length=5
breadth=2
area=length*breadth
print 'Area is',area
print 'Perimeter is',2*(length+breadth)
helloworld.py
#!/usr/bin/env python
# Filename : helloworld.py
print 'Hello World'
using_file.py
#!/usr/bin/env python
# Filename: using_file.py
poem='''\
Programming is fun
When the work is done
if you wanna make your work also fun:
use Python!
'''
f=file('poem.txt','w') # open for
mymodule.py
#!/usr/bin/env python
# Filename: mymodule.py
def sayhi():
print 'Hi, this is mymodule speaking.'
version='0.1'
# End of mymodule.py
func_default.py
#!/usr/bin/env python
# Filename: func_default.py
def say(message,times=1):
print message*times
say('Hello')
say('World',5)
func_key.py
#!/usr/bin/env python
# Filename: func_key.py
def func(a,b=5,c=10):
print 'a is',a,'and b is',b,'and c is',c
func(3,7)
func(25,c=24)
func(c=50,a=100)
using_dict.py
#!/usr/bin/env python
# Filename: using_dict.py
# 'ab' is short for 'a'ddress'b'ook
ab={ 'Swaroop' : 'swaroopch@byteofpython.info',
'Larry' : 'larry@wall.org',
'Matsumoto' : 'matz@ruby-lan