回答編集履歴
5
answer
CHANGED
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@@ -20,7 +20,7 @@
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20
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```python
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import pandas as pd
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s1 = pd.read_csv('sample1.txt', header=None, sep=r'[][ \t]+', engine='python').iloc[0].
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s1 = pd.read_csv('sample1.txt', header=None, sep=r'[][ \t]+', engine='python').iloc[0,1:-1].to_list()
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print(s1)
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# [-0.5, -0.3, -0.2]
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4
追記
answer
CHANGED
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@@ -12,4 +12,16 @@
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12
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# [-0.5, -0.3, -0.2]
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# <class 'float'>
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-
```
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15
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```
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**追記**
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18
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19
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以下、Pandas を利用する場合です。
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20
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```python
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21
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import pandas as pd
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s1 = pd.read_csv('sample1.txt', header=None, sep=r'[][ \t]+', engine='python').iloc[0].dropna().to_list()
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print(s1)
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# [-0.5, -0.3, -0.2]
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```
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3
answer
CHANGED
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@@ -4,7 +4,6 @@
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4
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import re
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from ast import literal_eval
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7
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-
s1 = []
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with open('sample1.txt') as f:
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s1 = literal_eval(re.sub(r'[ \t]+', ',', f.readline()))
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9
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2
answer
CHANGED
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@@ -11,6 +11,6 @@
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11
11
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print(s1)
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print(type(s1[0]))
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# [
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# [-0.5, -0.3, -0.2]
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# <class 'float'>
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```
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1
sample1.txt の内容は一行とのことなので、その前提でコードを修正
answer
CHANGED
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@@ -1,4 +1,4 @@
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1
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-
`ast.literal_eval()` で Python のリストを表現する文字列をリストインスタンスに変換します。
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1
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`ast.literal_eval()` で Python のリストを表現する文字列をリストインスタンスに変換します。
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2
2
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3
3
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```python
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4
4
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import re
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@@ -6,11 +6,10 @@
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6
6
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7
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s1 = []
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with open('sample1.txt') as f:
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9
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for l in f:
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-
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9
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s1 = literal_eval(re.sub(r'[ \t]+', ',', f.readline()))
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10
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print(s1)
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print(type(s1[0]
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print(type(s1[0]))
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# [[-0.5, -0.3, -0.2]]
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# <class 'float'>
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