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Top Forums Programming Create a C source and compile inside Python 1.4.0 to 3.7.0 in Python for ALL? platforms... Post 303035335 by Don Cragun on Tuesday 21st of May 2019 01:06:51 PM
Old 05-21-2019
Note that your four global variables (SOLUTION, FLOAT_1, FLOAT_2, and OPERATOR) are never referenced in your code because both of your subroutines (main() and calc()) have local variables with the same names.

If you get rid of the global variables, you should get exactly the same results from a binary that might be a few bytes smaller.
This User Gave Thanks to Don Cragun For This Post:
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global(n)						       Tcl Built-In Commands							 global(n)


global - Access global variables SYNOPSIS
global varname ?varname ...? _________________________________________________________________ DESCRIPTION
This command has no effect unless executed in the context of a proc body. If the global command is executed in the context of a proc body, it creates local variables linked to the corresponding global variables (though these linked variables, like those created by upvar, are not included in the list returned by info locals). If varname contains namespace qualifiers, the local variable's name is the unqualified name of the global variable, as determined by the namespace tail command. varname is always treated as the name of a variable, not an array element. An error is returned if the name looks like an array element, such as a(b). EXAMPLES
This procedure sets the namespace variable ::a::x proc reset {} { global a::x set x 0 } This procedure accumulates the strings passed to it in a global buffer, separated by newlines. It is useful for situations when you want to build a message piece-by-piece (as if with puts) but send that full message in a single piece (e.g. over a connection opened with socket or as part of a counted HTTP response). proc accum {string} { global accumulator append accumulator $string } SEE ALSO
namespace(n), upvar(n), variable(n) KEYWORDS
global, namespace, procedure, variable Tcl global(n)

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