except keyword , 97 $_{exception}$, 47, 89 $_{AssertionError}$, 87 AttributeError , 71 chaining , 89 GeneratorExit , 68, 70 handler , 25 $_{ImportError}$, 90 NameError , 64 raising , 89 $_{StopAsyncIteration}$, 70 StopIteration , 68, 88 $_{TypeError}$, 74 ValueError , 76 ZeroDivisionError , 75 exception handler , 47 exclusive $_{or}$, 76 exec built-in function , 93 execution $_{frame}$, 45, 102 $_{restricted}$, 46 stack , 25 execution model , 45 $_{expression}$, 63, 120 $_{Conditional}$, 79 conditional , 80 $_{generator}$, 66 lambda , 80, 101 $_{list}$, 81, 83 statement , 83 $_{yield}$, 67 extension module , 18 extension module , 120 

## F 

f' formatted string literal , 10 f" formatted string literal , 10 f-string , 120 f_back ( frame attribute ), 24 f_builtins ( frame attribute ), 24 $_{f_code}$( frame attribute ), 24 f_globals ( frame attribute ), 24 f_lasti ( frame attribute ), 24 f_lineno ( frame attribute ), 24 f_locals ( frame attribute ), 24 f_trace ( frame attribute ), 24 f_trace_lines ( frame attribute ), 24 f_trace_opcodes ( frame attribute ), 24 $_{False}$, 19 file object , 120 file-like object , 120 $_{finalizer}$, 26 

finally keyword , 88, 90, 97, 98 find_spec $_{finder}$, 52 finder , 51, 120 find_spec , 52 float built-in function , 40 floating point number , 19 object , 19 floating point literal , 14 floor division , 121 for in comprehensions , 65 statement , 90, 96 form lambda , 80 format() ( built-in function ) __str__() ( object method ), 27 formatted string literal , 12 Fortran contiguous , 119 frame $_{execution}$, 45, 102 object , 24 free variable , 45 from import statement , 45, 91 $_{keyword}$, 67, 90 $_{yield from expression}$, 68 frozenset object , 20 $_{fstring}$, 12 f-string , 12 function , 121 annotations , 101 anonymous , 80 argument , 20 call , 20, 73 call ,$_{user-defined}$ , 73 $_{definition}$, 88, 100 $_{generator}$, 67, 88 $_{name}$, 100 object , 20, 22, 73, 100 user-defined , 20 function annotation , 121 future statement , 92 

## G 

garbage collection , 17, 121 $_{generator}$, 121 $_{expression}$, 66 function , 22, 67, 88 $_{iterator}$, 22, 88 object , 24, 66, 68 $_{generator expression}$, 121 

