/Python/Python how to create dict from dataframe based on 2 columns

Python how to create dict from dataframe based on 2 columns

Dictionary from two columns pandas

pd.Series(df.A.values,index=df.B).to_dict()

Source: stackoverflow.com

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 loop

Source: stackoverflow.com

Python how to create dict from dataframe based on 2 columns

In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}

Source: stackoverflow.com

Similar codes

0 vote120 views1 answer
Truc python
Python
23 votes282 views3 answers
Install django rest_framework
Python Django
0 vote127 views1 answer
Print red in python
Python
0 vote127 views1 answer
Find element in list that matches a condition
Python
15 votes135 views3 answers
Python flask sample application
Python
0 vote123 views1 answer
Tkinter mouse loading cursor
Python
0 vote127 views1 answer
Install google cloud python
Python
3 votes157 views2 answers
What is indentation in python
Python
2 votes129 views2 answers
How to check if number is negative in python
Python
0 vote143 views1 answer
PyQT5 reset color
Python