| ???? Python ??? | ??12?? ????/??? | |
|---|---|---|
| ???? | ??? | ???? |
????
??????????????????????????????????????????????????????????????????????§»?????????????????raw_input??print??????????§»????????????????????????????????str??????????????íà????????rjust?????????????????????????????????????help(str)?????????î•
??????????????/???????????????????????????§Õ?????????????????????????????????????????????????§»?????
???????????????file????????????????????????file???read??readline??write????????????§Õ?????????????§Õ?????????????????????????????????????????????????????????close??????????Python?????????????????¨¢?
#!/usr/bin/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 'w'riting
f.write(poem) # write text to file
f.close() # close the file
f = file('poem.txt')
# if no mode is specified, 'r'ead mode is assumed by default
while True:
line = f.readline()
if len(line) == 0: # Zero length indicates EOF
break
print line,
# Notice comma to avoid automatic newline added by Python
f.close() # close the file
????????code/using_file.py??
$ python using_file.py
Programming is fun
When the work is done
if you wanna make your work also fun:
use Python!
??????????????????????????????????????????file?????????????????????'r'????§Õ????'w'???????????'a'???????????§Ø??????????????????????help(file)?????????????î•
??????????§Õ???????????????file???write??????§Õ??????????????close???????????
????????????????¦Ä????????????????????????????????????????????????????????????§µ????????readline??????????????§³?????????????????????§Ù???????????§³??????????? ??? ?????????????????????????????????????????????????
????????????????????????????§Ù???¦Â????????????print???????????????????????§³??????????close???????????
????????????poem.txt???????????????????????????????
| ???? | ????? | ???? |
|---|---|---|
| ???? | ??? | ?????? |