print("MyClass instance created") package/subpackage/module2.py class AnotherClass: def __init__(self): print("AnotherClass instance created") main.py from package.module1 import MyClass from package.subpackage.module2 import AnotherClass my_instance = MyClass() another_instance = AnotherClass...
import ...的方式(需要__init__.py文件来标识Python包)。 python import sys sys.path.append('path/to/subdirectory') from subdirectory.another_file import MyClass # 或者如果subdirectory是包 from subdirectory import another_file obj = another_file.MyClass() 如果类在父目录中: 使用sys.path....
1from anotherfile import class1 1. 然后创建Class1对象,假设对象名为ob1,然后 AI检测代码解析 ob1 = class1() ob1.method1() 1. 2.
# 老方式:# from collectionsimportnamedtuple from typingimportNamedTupleimportsys User=NamedTuple("User",[("name",str),("surname",str),("password",bytes)])u=User("John","Doe",b'tfeL+uD...\xd2')print(f"Size: {sys.getsizeof(u)}")# Size:64# 新方式:from dataclassesimportdataclass @da...
classTest:def__init__(self,name,age):self.__name=name self.__age=agedefget_name(self):# 查看属性returnself.__namedefget_age(self):# 查看属性returnself.__agedefset_age(self,new_age):# 修改属性iftype(new_age)isnotint:print('年龄应该为整型')returnifnot0<=new_age<=150:print('年...
importif_exampleimportunittestclassTest_if(unittest.TestCase):deftest_if(self): result = if_example.check_if() self.assertEqual(result,100)if__name__ =='__main__': unittest.main() 按以下方式运行测试脚本: student@ubuntu:~/Desktop$ python3 -m unittest test_if.py Enter a number100aiseq...
/usr/bin/python3# Desc:OS模块常规使用范例importosprint("当前路径(命令行与脚本都可):",os.getcwd())print("当前路径(命令行与脚本都可):",os.path.abspath(os.curdir))print("当前路径(脚本中使用):",os.path.dirname(os.path.realpath(__file__)))print("当前路径上级(父)目录(命令行与脚本都可...
>>> import subprocess >>> from tempfile import TemporaryFile >>> with TemporaryFile() as f: ... ls_process = subprocess.run(["ls", "/usr/bin"], stdout=f) ... f.seek(0) ... grep_process = subprocess.run( ... ["grep", "python"], stdin=f, stdout=subprocess.PIPE .....
Python中官方的定义为:Python code in one module gain access to the code in another module by the process of importing it. 在平常的使用中,我们一定会使用from xxx import xxx或是import xx这样的导包语句,假如你研究过Python中的包你就会发现,很多包中会包含__init__.py这样的文件,这是为什么呢?这篇...
#打开文件 file = open('路径','打开方式') #读取文件 content = file.read() #写入文件 file.write('写入的内容') #关闭文件 file.close() 示例: #写入 file1 = open('abc.txt','w',encoding = 'utf-8') file1.write('我爱Python') file1.close() #读取 file2 = open('abc.txt','r',...