Python运算符教程之逻辑门详解

# 说明与门工作的 Python3 程序

def AND (a, b):

	if a == 1 and b == 1:
		return True
	else:
		return False

# 驱动程序代码
if __name__=='__main__':
	print(AND(1, 1))

	print("+---------------+----------------+")
	print(" | AND Truth Table | Result |")
	print(" A = False, B = False | A AND B =",AND(False,False)," | ")
	print(" A = False, B = True | A AND B =",AND(False,True)," | ")
	print(" A = True, B = False | A AND B =",AND(True,False)," | ")
	print(" A = True, B = True | A AND B =",AND(True,True)," | ")

# 说明与非门工作的Python3程序

def NAND (a, b):
	if a == 1 and b == 1:
		return False
	else:
		return True

# 驱动程序代码
if __name__=='__main__':
	print(NAND(1, 0))

	print("+---------------+----------------+")
	print(" | NAND Truth Table | Result |")
	print(" A = False, B = False | A AND B =",NAND(False,False)," | ")
	print(" A = False, B = True | A AND B =",NAND(False,True)," | ")
	print(" A = True, B = False | A AND B =",NAND(True,False)," | ")
	print(" A = True, B = True | A AND B =",NAND(True,True)," | ")

# Python3 程序来说明或门的工作

def OR(a, b):
	if a == 1 or b ==1:
		return True
	else:
		return False

# 驱动程序代码
if __name__=='__main__':
	print(OR(0, 0))

	print("+---------------+----------------+")
	print(" | OR Truth Table | Result |")
	print(" A = False, B = False | A OR B =",OR(False,False)," | ")
	print(" A = False, B = True | A OR B =",OR(False,True)," | ")
	print(" A = True, B = False | A OR B =",OR(True,False)," | ")
	print(" A = True, B = True | A OR B =",OR(True,True)," | ")

# 说明异或门工作的 Python3 程序

def XOR (a, b):
	if a != b:
		return 1
	else:
		return 0

# 驱动程序代码
if __name__=='__main__':
	print(XOR(5, 5))

	print("+---------------+----------------+")
	print(" | XOR Truth Table | Result |")
	print(" A = False, B = False | A XOR B =",XOR(False,False)," | ")
	print(" A = False, B = True | A XOR B =",XOR(False,True)," | ")
	print(" A = True, B = False | A XOR B =",XOR(True,False)," | ")
	print(" A = True, B = True | A XOR B =",XOR(True,True)," | ")

# Python3 程序来说明非门的工作原理

def NOT(a):
	return not a
# 驱动程序代码
if __name__=='__main__':
	print(NOT(0))

	print("+---------------+----------------+")
	print(" | NOT Truth Table | Result |")
	print(" A = False | A NOT =",NOT(False)," | ")
	print(" A = True, | A NOT =",NOT(True)," | ")

# Python3程序来说明或非门的工作

def NOR(a, b):
	if(a == 0) and (b == 0):
		return 1
	elif(a == 0) and (b == 1):
		return 0
	elif(a == 1) and (b == 0):
		return 0
	elif(a == 1) and (b == 1):
		return 0

# 驱动程序代码
if __name__=='__main__':
	print(NOR(0, 0))

	print("+---------------+----------------+")
	print(" | NOR Truth Table | Result |")
	print(" A = False, B = False | A NOR B =",NOR(False,False)," | ")
	print(" A = False, B = True | A NOR B =",NOR(False,True)," | ")
	print(" A = True, B = False | A NOR B =",NOR(True,False)," | ")
	print(" A = True, B = True | A NOR B =",NOR(True,True)," | ")

# Python3 程序来说明非门的工作原理
def XNOR(a,b):
	if(a == b):
		return 1
	else:
		return 0
# 驱动程序代码
if __name__=='__main__':
	print(XNOR(1,1))

	print("+---------------+----------------+")
	print(" | XNOR Truth Table | Result |")
	print(" A = False, B = False | A XNOR B =",XNOR(False,False)," | ")
	print(" A = False, B = True | A XNOR B =",XNOR(False,True)," | ")
	print(" A = True, B = False | A XNOR B =",XNOR(True,False)," | ")
	print(" A = True, B = True | A XNOR B =",XNOR(True,True)," | ")