Namespace and Scope

Table of contents

• 1. Namespaces and Variable Scope
  • namespaces
  • variable scope
• 2. access to namespaces by built-in functions
  • globals()
  • locals()
• 3. modify variables out of scope

Reference : 파이썬의 Namespace와 Scope

1. Namespaces and Variable Scope

namespaces

• Built-in namespace
• Global namespace
• Enclosing namespace
• Local namespace

variable scope

• access priority : LEGB

2. access to namespaces by built-in functions

globals()

Return the (reference of the) dictionary implementing the current module namespace.

Note : The contents of this dictionary should be modified; changes may affect

locals()

Update and return a dictionary representing the current local symbol table.

Note : The contents of this dictionary should not be modified; changes may not affect the values of local and free variables used by the interpreter.

3. modify variables out of scope

keywords : global, nonlocal