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Pyoker
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Python24
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Python24
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00Python
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day12
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sum_module.py
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35 lines (29 loc) · 1.04 KB
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Python24
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00Python
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day12
/
sum_module.py
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"""
自定义的sum模块,需要自测成功后再使用
1- 书写格式,如果在本模块下执行这个模块,python会自定义一个值为__main__的__name__变量
2- main()可以直接写,但是开发时候常用if __name__ == '__main__'的方式
3- if __name__ == '__main__': 类似于main函数的入口
4- 如果在其他模块中引入并且调用这个模块任何方法和属性,那么__name__就变成了本函数名
"""
# 模块中的全局变量
name = "加法运算"
# 模块中自定义类
class Person(object):
pass
# 加法运算函数
def my_sum(a, b):
return a + b
# 自测函数
def main():
result = my_sum(3, 5)
print(result)
# main()
# 书写格式, __main__, 防止测试工程师使用这个模块的时候执行自己的自测函数
print(__name__)
if __name__ == '__main__':
main()
"""
__all__ = []只有列表中的元素才能被外部的模块使用
但是__all__只能配合from 模块名 import * 这种格式下才有效
"""
__all__ = ["name", "Person", "my_sum"]
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