Python: List the special variables used within the language
Python Basic: Exercise-97 with Solution
List Special Variables
Write a Python program to list the special variables used in the language.
Sample Solution:
Python Code:
# Import the necessary modules.
# Create a set 's_var_names' containing unique variable names in the global namespace.
s_var_names = sorted((set(globals().keys()) | set(__builtins__.__dict__.keys())) - set('_ names i'.split()))
# Print an empty line for formatting.
print()
# Join variable names in groups of 8 and print them for better readability.
print( '\n'.join(' '.join(s_var_names[i:i+8]) for i in range(0, len(s_var_names), 8)) )
# Print an empty line for formatting.
print()
Sample Output:
ArithmeticError AssertionError AttributeError BaseException BlockingIOError BrokenPipeError BufferError BytesW arning ChildProcessError ConnectionAbortedError ConnectionError ConnectionRefusedError ConnectionResetError Deprecati onWarning EOFError Ellipsis EnvironmentError Exception False FileExistsError FileNotFoundError FloatingPointError FutureWarning GeneratorE xit IOError ImportError ImportWarning IndentationError IndexError InterruptedError IsADirectoryError KeyError KeyboardInterrupt LookupError MemoryError NameError None NotADirectoryError NotImplemented NotImplementedError OSError OverflowError PendingDeprecationWarning PermissionError ProcessLookupError RecursionError ReferenceErr or ResourceWarning ---------- filter float format frozenset getattr globals hasattr hash help hex id input int isinstance issubclass iter len license list locals map max memoryview min next object oct open ord pow print property quit range repr reversed round set setattr slice sorted staticmethod str sum super tuple type vars zip
Flowchart:
Python Code Editor:
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