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error_class.py

+class error:
+    errorCode=""
+    
+    def __init__(self):
+        self.errorCode = None
+    
+    def displayError(self):
+        print(self.errorCode)
+    
+    def setError(self,codeState):
+        if codeState == 0:
+            self.errorCode = "0"
+        elif codeState == 1:
+            self.errorCode = "1"
+        elif codeState == 2:
+            self.errorCode = "2"
+        elif codeState == 3:
+            self.errorCode = "3"
+        elif codeState == 4:
+            self.errorCode = "4"
+