Python基礎 檔案

讀取整個檔案

with open

('text_files/file_path'
) as file_object:
contents = file_object.
read()
print
(contents)

with open

(filename) as file_object:
for line in file_object:
print
(line.
rstrip()
) #消除末尾換行符（空白）

filename =

'file_name.txt'
with open
(filename) as file_object:
lines = file_object.
readlines()
for line in lines:
print
(line.
rstrip()
)

filename =

'pi_digits.txt'
with open
(filename) as file_object:
lines = file_object.
readlines()
pi_string =
''for line in lines:
pi_string +
= line.
rstrip()
print
(pi_string)
print
(len
(pi_string)
)

''

' write_message.py'
''filename =
'programming.txt'
with open
(filename,
'w') as file_object:
file_object.
write
("i love programming."
)

''

'programming.txt'
''i love programming.

filename =

'programming.txt'
with open
(filename,
'w') as file_object:
file_object.
write
("i love programming.\n"
) file_object.
write
("i love creating new games."
)

''

'programming.txt'
''i love programming.
i love creating new games.

filename =

'programming.txt'
with open
(filename,
'w') as file_object:
file_object.
write
("i love programming.\n"
) file_object.
write
("i love creating new games."
) file_object.
write
("i also love finding meaning in large datasets.\n"
) file_object.
write
()

''

'programming.txt'
''i love programming.
i love creating new games.
i also love finding meaning in large datasets.

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