回答編集履歴
2
test
CHANGED
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@@ -52,8 +52,9 @@
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52
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'c':[10,11,np.nan,np.nan,None],'d':[15,16,17,None,19],
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'e':[np.nan,np.nan,np.nan,np.nan,np.nan]})
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-
dic = {f'{k}-{i}':
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dic = {f'{k}-{i}': v
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-
for i, d in enumerate(df.to_dict(orient='records'))
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56
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for i, d in enumerate(df.replace({np.nan: None}).to_dict(orient='records'))
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for k, v in d.items()}
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print(json.dumps(dic,indent=4))
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```
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1
test
CHANGED
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@@ -40,3 +40,20 @@
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# }
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```
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### 追記
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`pandas.DataFrame.to_dict()` と辞書内包表記(dictionary comprehension) を使用して以下の様にも書くことができます。
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```python
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import pandas as pd
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import numpy as np
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49
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import json
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51
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df=pd.DataFrame({'a':[0,1,2,3,4],'b':[None,6,7,8,np.nan],
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52
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'c':[10,11,np.nan,np.nan,None],'d':[15,16,17,None,19],
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53
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'e':[np.nan,np.nan,np.nan,np.nan,np.nan]})
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dic = {f'{k}-{i}': None if np.isnan(v) else v
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for i, d in enumerate(df.to_dict(orient='records')) for k, v in d.items()}
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print(json.dumps(dic,indent=4))
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```
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