/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 vote223 views1 answer
Find maximum value by if else python
Python
2 votes230 views1 answer
Python add unique to list
Python
4 votes233 views2 answers
Make a nested list flat python
Python
8 votes202 views1 answer
Expand all rows pandas
Python
0 vote195 views1 answer
Conditional Statements to Skip Items enumerate python
Python
0 vote199 views1 answer
Give cell format to condition pandas dataframe
Python
5 votes218 views2 answers
Get pyhton file path python
Python
0 vote214 views1 answer
Exception: 'ascii' codec can't decode byte 0xe2 in position 7860: ordinal not in range(128)
Python
3 votes212 views1 answer
Email authentication python
Python
1 vote196 views3 answers
Isprime python
Python