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Diffstat (limited to 'Doc/tutorial/controlflow.rst')
| -rw-r--r-- | Doc/tutorial/controlflow.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst index 82a8977..3d011d1 100644 --- a/Doc/tutorial/controlflow.rst +++ b/Doc/tutorial/controlflow.rst @@ -235,10 +235,11 @@ it. The *execution* of a function introduces a new symbol table used for the local variables of the function. More precisely, all variable assignments in a function store the value in the local symbol table; whereas variable references -first look in the local symbol table, then in the global symbol table, and then -in the table of built-in names. Thus, global variables cannot be directly -assigned a value within a function (unless named in a :keyword:`global` -statement), although they may be referenced. +first look in the local symbol table, then in the local symbol tables of +enclosing functions, then in the global symbol table, and finally in the table +of built-in names. Thus, global variables cannot be directly assigned a value +within a function (unless named in a :keyword:`global` statement), although they +may be referenced. The actual parameters (arguments) to a function call are introduced in the local symbol table of the called function when it is called; thus, arguments are |