1 files changed, 16 insertions, 18 deletions
diff --git a/examples/SimpleCalc.py b/examples/SimpleCalc.py
index 0bf62e4..15a1817 100644
--- a/examples/SimpleCalc.py
+++ b/examples/SimpleCalc.py
@@ -1,31 +1,31 @@
 # SimpleCalc.py
 #
-# Demonstration of the parsing module, 
+# Demonstration of the parsing module,
 # Sample usage
 #
-#     $ python SimpleCalc.py 
+#     $ python SimpleCalc.py
 #     Type in the string to be parse or 'quit' to exit the program
-#     > g=67.89 + 7/5 
+#     > g=67.89 + 7/5
 #     69.29
 #     > g
 #     69.29
-#     > h=(6*g+8.8)-g 
+#     > h=(6*g+8.8)-g
 #     355.25
-#     > h + 1 
+#     > h + 1
 #     356.25
-#     > 87.89 + 7/5 
+#     > 87.89 + 7/5
 #     89.29
 #     > ans+10
 #     99.29
 #     > quit
 #     Good bye!
 #
-# 
+#
 
 
 
 # Uncomment the line below for readline support on interactive terminal
-# import readline  
+# import readline
 from pyparsing import ParseException, Word, alphas, alphanums
 import math
 
@@ -64,11 +64,11 @@ pattern = assignment | arithExpr
 if __name__ == '__main__':
   # input_string
   input_string=''
-  
+
   # Display instructions on how to quit the program
   print("Type in the string to be parsed or 'quit' to exit the program")
   input_string = input("> ")
-  
+
   while input_string.strip().lower() != 'quit':
     if input_string.strip().lower() == 'debug':
         debug_flag=True
@@ -77,19 +77,19 @@ if __name__ == '__main__':
 
     # Reset to an empty exprStack
     del exprStack[:]
-  
+
     if input_string != '':
       # try parsing the input string
       try:
         L=pattern.parseString(input_string, parseAll=True)
       except ParseException as err:
         L=['Parse Failure', input_string, (str(err), err.line, err.column)]
-      
+
       # show result of parsing the input string
       if debug_flag: print(input_string, "->", L)
       if len(L)==0 or L[0] != 'Parse Failure':
         if debug_flag: print("exprStack=", exprStack)
-  
+
         # calculate result , store a copy in ans , display the result to user
         try:
           result=evaluateStack(exprStack)
@@ -98,7 +98,7 @@ if __name__ == '__main__':
         else:
           variables['ans']=result
           print(result)
-      
+
           # Assign result to a variable if required
           if L.varname:
             variables[L.varname] = result
@@ -109,11 +109,9 @@ if __name__ == '__main__':
         print(err_line)
         print(" "*(err_col-1) + "^")
         print(err_str)
-  
+
     # obtain new input string
     input_string = input("> ")
-  
+
   # if user type 'quit' then say goodbye
   print("Good bye!")
-
-