human
Build a DFA to accept Binary strings that starts or ends with "01" | Function for transition state A.
State transition to B if the character is 0.
State transition to D if the character is 1.
Function for transition state B.
Check if the string has ended.
State transition to C if the character is 1.
State transition to D if the character is 0.
Function for transition state C.
Function for transition state D.
State transition to D if the character is 1.
State transition to E if the character is 0.
Function for transition state E.
State transition to E if the character is 0.
State transition to F if the character is 1.
Function for transition state F.
State transition to D if the character is 1.
State transition to E if the character is 0.
Driver code"
Solution in Python:

Write me a code to build a DFA to accept Binary strings that starts or ends with "01" and the other steps required?
assistant
#Here is code to build a DFA to accept Binary strings that starts or ends with "01" and the other steps required.
 def checkstateA ( n ) :
	if ( n [ 0 ] == '0' ) :
		stateB ( n [ 1 : ] )
	else :
		stateD ( n [ 1 : ] )
def stateB ( n ) :
	if ( len ( n ) == 0 ) :
		print ( " string ▁ not ▁ accepted " )
	else :
		if ( n [ 0 ] == '1' ) :
			stateC ( n [ 1 : ] )
		else :
			stateD ( n [ 1 : ] )
def stateC ( n ) :
	print ( " String ▁ accepted " )
def stateD ( n ) :
	if ( len ( n ) == 0 ) :
		print ( " string ▁ not ▁ accepted " )
	else :
		if ( n [ 0 ] == '1' ) :
			stateD ( n [ 1 : ] )
		else :
			stateE ( n [ 1 : ] )
def stateE ( n ) :
	if ( len ( n ) == 0 ) :
		print ( " string ▁ not ▁ accepted " )
	else :
		if ( n [ 0 ] == '0' ) :
			stateE ( n [ 1 : ] )
		else :
			stateF ( n [ 1 : ] )
def stateF ( n ) :
	if ( len ( n ) == 0 ) :
		print ( " string ▁ accepred " )
	else :
		if ( n [ 0 ] == '1' ) :
			stateD ( n [ 1 : ] )
		else :
			stateE ( n [ 1 : ] )
if __name__ == " _ _ main _ _ " :
	n = "0100101"
	checkstateA ( n )