/Python/Create dict from two columns pandas

Create dict 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

Pandas 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)

Source: pbpython.com

Similar codes

0 vote300 views1 answer
Python datetime move forward one day
Python
22 votes274 views5 answers
If else python
Python
1 vote296 views1 answer
Python convert number in array to integer
Python
2 votes263 views1 answer
Rename multiple pandas columns with list
Python
0 vote301 views3 answers
ModuleNotFoundError: No module named 'numpy.testing.decorators'
Python
4 votes289 views4 answers
Interface graphique python
Python
-1 vote247 views2 answers
Python how to add 2 numbers
Python
0 vote297 views1 answer
Django rest framework not getting form
Python Django
-1 vote295 views1 answer
Global list python
Python
-35 votes247 views5 answers
Python type hints
Python