"""Chapter 8 Practice Question 3
Draw the complete truth tables for the and, or, and not operators.
"""
[docs]def notTruthTable() -> None:
"""Not truth table.
Prints a truth table for the not operator.
Returns:
None. Only prints out a table.
"""
print(" _________________________\n",
"|not A | Evaluates to:|\n",
"|_________|______________|\n",
"|not False| True |\n",
"|not True | False |\n",
"|_________|______________|\n")
return None
[docs]def andTruthTable() -> None:
"""And truth table.
Prints a truth table for the and operator.
Returns:
None. Only prints out a table.
"""
print(" _______________________________\n",
"|A and B | Evaluates to:|\n",
"|_______________|______________|\n",
"|False and False| False |\n",
"|False and True | False |\n",
"|True and False | False |\n",
"|True and True | True |\n",
"|_______________|______________|\n")
return None
[docs]def orTruthTable() -> None:
"""Or truth table.
Prints a truth table for the or operator.
Returns:
None. Only prints out a table.
"""
print(" ______________________________\n",
"|A or B | Evaluates to:|\n",
"|______________|______________|\n",
"|False or False| False |\n",
"|False or True | True |\n",
"|True or False | True |\n",
"|True or True | True |\n",
"|______________|______________|\n")
return None
[docs]def main():
notTruthTable()
andTruthTable()
orTruthTable()
# If Question3.py is run (instead of imported as a module), call
# the main() function:
if __name__ == '__main__':
main()