def writeConfig(xyTuple):
	"""Creates a config file (config.py) and writes 4 values into it
	
	Arguments:
		xyTuple: a tuple of structure (xMin, xMax, yMin, yMax)
	"""
	
	outfile = open("config.py","w")
	outfile.write("X_MIN="+str(xyTuple[0])+"\n")
	outfile.write("X_MAX="+str(xyTuple[1])+"\n")
	outfile.write("Y_MIN="+str(xyTuple[2])+"\n")
	outfile.write("Y_MAX="+str(xyTuple[3]))
	outfile.close()
	return None