Update Exercise 2 - Farm.txt

Part 1/2. Variables, data types, operators, in-/Exercises/Exercise 2 - Farm.txt

 Farmer Max wants to sell a pig. 
 Add the following variables to your program from Chapter 1 "Exercise 1 - Farm": 
 
-¥ weight
-¥ dailyPrice
-¥ revenue
+- weight
+- dailyPrice
+- revenue
 
 The variable weight (integer) should be used to store the weight of the pig.
 The variable dailyPrice (decimal number) should be used to store the daily price of the pig.