>>> from fishbase.fish_common import find_files
>>> print(get_abs_filename_with_sub_path('/etc', 'hosts'))
(True, '/etc/hosts')

>>> from fishbase.fish_date import get_time_interval
>>> print(get_time_interval(1548575829,1548476921))
{'days': 1, 'hours': 3, 'minutes': 28, 'seconds': 28}

>>> from fishbase.fish_random import gen_random_id_card
>>> # 随机生成一个身份证号
>>> print(gen_random_id_card())
['3101091986******47']
>>> from fishbase.fish_random import gen_random_bank_card
>>> # 随机生成一个**银行的信用卡卡号
>>> print(gen_random_bank_card('**银行', 'CC'))
625907379******1

>>> import os
>>> from fishbase.fish_project import init_project_by_yml
>>> package_yml = '''
... project: hellopackage
... tree:
...     - README.md
...     - requirements.txt
...     - setup.py
... '''
>>> # 通过 yml 文件创建一个项目结构
>>> init_project_by_yml(package_yml, '.')
>>> print(os.listdir('./hellopackage'))
['requirements.txt', 'README.md', 'setup.py']