/Python/Create new column using dictionary padnas

Create new column using dictionary padnas

Create new column using dictionary padnas

U
111
112
112

d = {112: 'a', 111: 'b'}
df['B'] = df['A'].map(d)
df
Out[248]:
     A    B
0  111    a
1  112    b

1

Similar codes

4 votes325 views3 answers
Python vs Java
Python
0 vote376 views1 answer
Change the surface color rhinopython
Python
0 vote347 views1 answer
Print(1) in python
Python
0 vote361 views1 answer
Compare input with list python
Python
0 vote415 views1 answer
Django create username and password from csv
Python Django
0 vote354 views1 answer
Python add column with constant value
Python
0 vote309 views1 answer
Consider a string note: "welcome" statment will rais error
Python
0 vote312 views1 answer
Python pil to greyscale
Python
1 vote368 views1 answer
Loc vs iloc pandas
Python
1 vote345 views1 answer
Django createmany
Python

Share