>>>importast>>>code='''...x=[1,2]...print(x)...'''>>>tree=ast.parse(code)>>>print(ast.dump(tree,indent=2))Module(body=[Assign(targets=[Name(id='x',ctx=Store())],value=List(elts=[Constant(value=1),Constant(value=2)],ctx=Load())),Expr(value=Call(func=Name(id='prin...
It would be impossible to assign to aglobalvariable withoutglobal, although free variables may refer to globals without being declaredglobal. Names listedinaglobalstatement mustnotbe usedinthe same code block textually preceding thatglobalstatement. Names listedinaglobalstatement mustnotbe defined as form...
像这个临时开辟的空间叫临时命名空间,也叫局部名称空间 python中名称空间分三种 内置名称空间 全局名称空间 局部名称空间 作用域 全局作用域 内置名称空间 全局名称空间 局部作用域 局部名称空间 加载顺序 内置名称空间-->全局名称空间-->(当程序执行时) ---> 局部名称空间(当函数调用时) 取值顺序:单向不可逆 局部...
It would be impossible to assign to aglobalvariable withoutglobal, although free variables may refer to globals without being declaredglobal. Names listedinaglobalstatement mustnotbe usedinthe same code block textually preceding thatglobalstatement. Names listedinaglobalstatement mustnotbe defined as form...