python3 英文字母单数转复数

import re
def pluralize(noun):
    if re.search('[sxz]$', noun):
         return re.sub('$', 'es', noun)
    elif re.search('[^aeioudgkprt]h$', noun):
        return re.sub('$', 'es', noun)
    elif re.search('[aeiou]y$', noun):
        return re.sub('y$', 'ies', noun)
    else:
        return noun + 's'
## 测试        
List=["bush", "fox", "toy", "cap"]
for i in List:
     print(i, '-', pluralize(i))

安装pip

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3 get-pip.py

安装包

pip install pluralize

例子转换

import re
def pluralize(noun):
    if re.search('[sxz]$', noun):
         return re.sub('$', 'es', noun)
    elif re.search('[^aeioudgkprt]h$', noun):
        return re.sub('$', 'es', noun)
    elif re.search('[aeiou]y$', noun):
        return re.sub('y$', 'ies', noun)
    else:
        return noun + 's'
List=["bush", "fox", "toy", "cap"]
for i in List:
     print(i, '-', pluralize(i))