human
Check if a sequence of path visits any coordinate twice or not | Function to check if the man crosses previous visited coordinate or not.
Stores the count of crossed vertex.
Stores ( x , y ) coordinates.
The coordinates for the origin.
Iterate over the string.
Condition to increment X or Y co - ordinates respectively.
Check if ( x , y ) is already visited.
Print the result.
Given string.
Function call"
Solution in Python:

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Give me a code to check if a sequence of path visits any coordinate twice or not and the other steps required?
assistant
#Here is code to check if a sequence of path visits any coordinate twice or not and the other steps required.
 def isCrossed ( path ) :
	if ( len ( path ) == 0 ) :
		return bool ( False )
	ans = bool ( False )
	Set = set ( )
	x , y = 0 , 0
	Set . add ( ( x , y ) )
	for i in range ( len ( path ) ) :
		if ( path [ i ] == ' N ' ) :
			Set . add ( ( x , y ) )
			y = y + 1
		if ( path [ i ] == ' S ' ) :
			Set . add ( ( x , y ) )
			y = y - 1
		if ( path [ i ] == ' E ' ) :
			Set . add ( ( x , y ) )
			x = x + 1
		if ( path [ i ] == ' W ' ) :
			Set . add ( ( x , y ) )
			x = x - 1
		if ( x , y ) in Set :
			ans = bool ( True )
			break
	if ( ans ) :
		print ( " Crossed " )
	else :
		print ( " Not ▁ Crossed " )
path = " NESW "
isCrossed ( path )