Python函数入门-阿里云

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python-函数入门（二）一、函数对象什么是函数？函数是第一类对象，指的是函数名指向的值（函数）可以被当做数据去使用 1.函数的特性 1.函数可以被引用，即函数可以把值赋值给一个变量 def foo(): print('from foo') foo() func=foo #引用,赋值 func() print(foo) ...

python-函数入门(一) 1.什么是函数: 可重复使用的，用来实现单一，或相关联功能的代码段。函数分为内置函数和自定义函数,这里先讲自定义函数 2.如何定义函数: #语法 def 函数名(参数1,参数2,参数3,...): '''注释''' 函数体 return 返回的值注:函数必须先定义才能使用,定义阶段不执行代码只检...

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