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'abc' というストリングを総て、'01234' に置き換える方法

プログラム

str_replace.py
#! /usr/bin/python
#
#	str_replace.py
#
#					Jul/14/2024
#
import pandas as pd

#
data = {'col1': ['abc', 'xyz', 'abc', 'pqr', '923'],
        'col2': ['abc', 'def', 'abx', 'ghi', '654'],
        'col3': ['abc', 'abc', 'abc', 'abc', '231']}
df = pd.DataFrame(data)

print(df)
#
str_src = 'abc'
str_target = '01234'
df = df.map(lambda x: str_target if x == str_src else x)

print(df)

実行結果

$ ./str_replace.py 
  col1 col2 col3
0  abc  abc  abc
1  xyz  def  abc
2  abc  abx  abc
3  pqr  ghi  abc
4  923  654  231
    col1   col2   col3
0  01234  01234  01234
1    xyz    def  01234
2  01234    abx  01234
3    pqr    ghi  01234
4    923    654    231
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