dictionary from two columns pandas
pd.Series(df.A.values,index=df.B).to_dict()dictionary from two columns pandas
pd.Series(df.A.values,index=df.B).to_dict()create dict from two columns pandas
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict()
1000 loops, best of 3: 987 us per looppandas create dataframe from multiple dictionaries
sales = [{'account': 'Jones LLC', 'Jan': 150, 'Feb': 200, 'Mar': 140},
{'account': 'Alpha Co', 'Jan': 200, 'Feb': 210, 'Mar': 215},
{'account': 'Blue Inc', 'Jan': 50, 'Feb': 90, 'Mar': 95 }]
df = pd.DataFrame(sales)Copyright © 2021 Codeinu
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