read_position_str() is also needed here to keep in sync with easygopigo3 (DexterInd#283)

Author: CleoQc

Software/Python/easygopigo.py

@@ -751,6 +751,24 @@ def read_position(self):
             return "right"
         return "unknown"
 
+    def read_position_str(self):
+        """
+        returns a string of five letters indicating what the line sensor is seeing.
+        'b' indicates that specific sensor has detected a black line.
+        'w' indicates that specific sensor has not detected a black line.
+
+        :returns: String indicating what the line follower just read.
+        :rtype: str
+
+        Here's an example of what could get returned:
+            * ``'bbbbb'`` - when the line follower reads black on all sensors.
+            * ``'wwbww'`` - when the line follower is perfectly centered.
+            * ``'bbbww'`` - when the line follower reaches an intersection.
+        """
+        five_vals  = self.read()
+        out_str = "".join(["b" if sensor_val == 1 else "w" for sensor_val in five_vals])
+        return out_str
+
 
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