From: ldo@nz.invalid   
      
   On Sat, 27 Sep 2025 20:12:37 +0200, Andreas Eder wrote:   
      
   > On Mo 25 Aug 2025 at 02:34, Lawrence D’Oliveiro  wrote:   
   >   
   >> One trick they missed was allowing interval comparisons like this:   
   >>   
   >>     if "0" <= ch <= "9" or "a" <= ch <= "f" or "A" <= ch <= "F" :   
   >>   
   >> I think only Python has that.   
   >   
   > You can do rhe same in Common Lisp and various schemes.   
      
   But none of those languages have infix operators.   
      
   Remember, this is purely a syntactic thing handled in the Python   
   compiler: when you implement the underlying “__le__” and other methods   
    for   
   your type, you only define them as taking two operands, and Python   
   does the rest.   
      
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