Changed the JSON generator to generate JSON that includes the correct answer for the expression.

json_generator/data.json

@@ -1,17 +0,0 @@
-{
-    "expression": "i + 2 + n",
-    "variables": {
-        "n1": {
-            "name": "n1",
-            "type": "Unknown",
-            "starting_point": 0,
-            "ending_point": 0
-        },
-        "i1": {
-            "name": "i1",
-            "type": "Unknown",
-            "starting_point": 0,
-            "ending_point": 0
-        }
-    }
-}

json_generator/expression.py

@@ -1,10 +1,12 @@
 class Expression:
 	expression = ""
+	correct_answer = 0
 	variables = []
 	
-	def __init__(self, expression_string, variables):
+	def __init__(self, expression_string, variables, correct):
 		self.expression = expression_string
 		self.variables = variables
+		self.correct_answer = correct
 		
 class Variable:
 	VARIABLE_TYPES = {

json_generator/main.py

@@ -66,6 +66,11 @@ def transform(object):
         raise TypeError("Only Books and Index will be JSON serialized!")
 
 exp = input("Enter the expression the student will use: ")
+correct_answer = input("Enter the correct anwser for the expression: ")
+try:
+	correct_answer = float(correct_answer)
+except ValueError:
+	print("The anwser must be numeric! Will not be included in output file.")
 tokens = tokenizer.get_tokens_from_expression_string(exp)
 
 for t in tokens:
@@ -92,5 +97,5 @@ while True:
 		print("Invalid selection %s." %(response))
 		continue
 		
-with open("data.json", "w", encoding="utf-8") as f:
-	json.dump(expression.Expression(exp, variables), f, default=transform, indent = 4)
+with open("expression.json", "w", encoding="utf-8") as f:
+	json.dump(expression.Expression(exp, variables, correct_answer), f, default=transform, indent = 4)