/Python/Extract first letter of column python

Extract first letter of column python

df['new_col'] = df['First'].astype(str).str[0]
df

Out[29]:
   First  Second new_col
0    123     234       1
1     22    4353       2
2     32     355       3
3    453     453       4
4     45     345       4
5    453     453       4
6     56      56       5

Similar codes

0 vote127 views1 answer
Importing cosine from scipy
Python
0 vote141 views1 answer
Python f string thousand separator
Python
1 vote121 views1 answer
Invoice parsing ocr python
Python
0 vote123 views1 answer
Flatmap in python
Python
-1 vote166 views1 answer
Compare list and dataframe in pandas
Python
0 vote144 views1 answer
PyQT5 reset color
Python
0 vote133 views1 answer
Python print date, time and timezone
Python
1 vote132 views1 answer
Cprofile usage python
Python
6 votes158 views1 answer
Python merge two array into one
Python
1 vote118 views1 answer
Pandas get higher value of column
Python