/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 vote135 views1 answer
Python render_template
Python
0 vote171 views1 answer
Python get last cell value
Python
2 votes141 views1 answer
Expected ")" python
Python
1 vote133 views1 answer
How to make nmap port scanner in python
Python
0 vote136 views1 answer
Find highest value in array python
Python
2 votes145 views1 answer
Making lists with loops in one line python
Python
0 vote114 views1 answer
Python draw state diagrams
Python
3 votes136 views1 answer
Discord py on ready
Python
11 votes168 views3 answers
Python replace string in file
Python
71 votes106 views10 answers
Sus sus sus
Python