/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 vote167 views1 answer
Trends in yearly data python
Python
31 votes202 views6 answers
Python strip whitespace
Python
0 vote199 views1 answer
Python django model range validation
Python Django
0 vote227 views1 answer
Write a python program to find fibonacci series upto a certain limit using while loop
Python
0 vote158 views1 answer
Genshin impact checker python
Python
2 votes142 views1 answer
Converting a string to a dictionary in python
Python
0 vote160 views2 answers
How to read mysql table in python
Python
3 votes155 views3 answers
Kadane's algorithm
Python
2 votes152 views1 answer
Google calendar Request had insufficient authentication scopes.
Python
10 votes164 views3 answers
Replace nan with mean
Python