/Python/Dictionary from two columns pandas

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 vote191 views1 answer
From_bytes python
Python
36 votes181 views2 answers
Python3 iterate through indexes
Python
0 vote208 views1 answer
Numpy.float64' object cannot be interpreted as an integer
Python
0 vote209 views1 answer
Color module python
Python
0 vote204 views1 answer
Qubesos
Python
5 votes194 views4 answers
Brew update python
Python
12 votes209 views6 answers
Python range function
Python
0 vote205 views1 answer
Python program to assess if a file is closed or not
Python
96 votes197 views2 answers
Random number pythn
Python
0 vote198 views1 answer
Pdfs in django
Python