回答編集履歴
1
追記
test
CHANGED
|
@@ -15,3 +15,29 @@
|
|
|
15
15
|
f.write(original_data)
|
|
16
16
|
|
|
17
17
|
```
|
|
18
|
+
|
|
19
|
+
|
|
20
|
+
|
|
21
|
+
もう少し素直なアプローチ。
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
```python
|
|
26
|
+
|
|
27
|
+
with open("target.txt", "r") as f:
|
|
28
|
+
|
|
29
|
+
original_data = f.read()
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
with open("target.txt", "w") as f:
|
|
34
|
+
|
|
35
|
+
f.write("書きたいもの")
|
|
36
|
+
|
|
37
|
+
f.write(original_data)
|
|
38
|
+
|
|
39
|
+
```
|
|
40
|
+
|
|
41
|
+
|
|
42
|
+
|
|
43
|
+
この方法は全データをメモリ上に読み込みます。
|