diff --git a/challenges/0.1.Intro/lesson_code.py b/challenges/0.1.Intro/main.py similarity index 100% rename from challenges/0.1.Intro/lesson_code.py rename to challenges/0.1.Intro/main.py diff --git a/challenges/1.1.Print/lesson_code.py b/challenges/1.1.Print/main.py similarity index 100% rename from challenges/1.1.Print/lesson_code.py rename to challenges/1.1.Print/main.py diff --git a/challenges/1.2.Escape_Characters/lesson_code.py b/challenges/1.2.Escape_Characters/main.py similarity index 100% rename from challenges/1.2.Escape_Characters/lesson_code.py rename to challenges/1.2.Escape_Characters/main.py diff --git a/challenges/1.3.Input/lesson_code.py b/challenges/1.3.Input/main.py similarity index 100% rename from challenges/1.3.Input/lesson_code.py rename to challenges/1.3.Input/main.py diff --git a/challenges/2.1.NumberTypes/lesson_code.py b/challenges/2.1.NumberTypes/main.py similarity index 100% rename from challenges/2.1.NumberTypes/lesson_code.py rename to challenges/2.1.NumberTypes/main.py diff --git a/challenges/2.2.Strings/lesson_code.py b/challenges/2.2.Strings/main.py similarity index 100% rename from challenges/2.2.Strings/lesson_code.py rename to challenges/2.2.Strings/main.py diff --git a/challenges/2.3.Tuples/lesson_code.py b/challenges/2.3.Tuples/main.py similarity index 100% rename from challenges/2.3.Tuples/lesson_code.py rename to challenges/2.3.Tuples/main.py diff --git a/challenges/2.4.Lists/lesson_code.py b/challenges/2.4.Lists/main.py similarity index 100% rename from challenges/2.4.Lists/lesson_code.py rename to challenges/2.4.Lists/main.py diff --git a/challenges/2.5.Sets/lesson_code.py b/challenges/2.5.Sets/main.py similarity index 100% rename from challenges/2.5.Sets/lesson_code.py rename to challenges/2.5.Sets/main.py diff --git a/challenges/2.6.Dictionaries/lesson_code.py b/challenges/2.6.Dictionaries/main.py similarity index 100% rename from challenges/2.6.Dictionaries/lesson_code.py rename to challenges/2.6.Dictionaries/main.py diff --git a/challenges/3.1.Assignment_Operator/lesson_code.py b/challenges/3.1.Assignment_Operator/main.py similarity index 100% rename from challenges/3.1.Assignment_Operator/lesson_code.py rename to challenges/3.1.Assignment_Operator/main.py diff --git a/challenges/3.2.Equality_Operator/lesson_code.py b/challenges/3.2.Equality_Operator/main.py similarity index 100% rename from challenges/3.2.Equality_Operator/lesson_code.py rename to challenges/3.2.Equality_Operator/main.py diff --git a/challenges/3.3.Inequality_Operator/lesson_code.py b/challenges/3.3.Inequality_Operator/main.py similarity index 100% rename from challenges/3.3.Inequality_Operator/lesson_code.py rename to challenges/3.3.Inequality_Operator/main.py diff --git a/challenges/3.4.Strictly_Less_Than_Operator/lesson_code.py b/challenges/3.4.Strictly_Less_Than_Operator/main.py similarity index 100% rename from challenges/3.4.Strictly_Less_Than_Operator/lesson_code.py rename to challenges/3.4.Strictly_Less_Than_Operator/main.py diff --git a/challenges/3.5.Less_Than_Equal_To_Operator/lesson_code.py b/challenges/3.5.Less_Than_Equal_To_Operator/main.py similarity index 100% rename from challenges/3.5.Less_Than_Equal_To_Operator/lesson_code.py rename to challenges/3.5.Less_Than_Equal_To_Operator/main.py diff --git a/challenges/3.6.Greater_Than_Equal_To_Operator/lesson_code.py b/challenges/3.6.Greater_Than_Equal_To_Operator/main.py similarity index 100% rename from challenges/3.6.Greater_Than_Equal_To_Operator/lesson_code.py rename to challenges/3.6.Greater_Than_Equal_To_Operator/main.py diff --git a/challenges/3.7.Strictly_Greater_Than_Operator/lesson_code.py b/challenges/3.7.Strictly_Greater_Than_Operator/main.py similarity index 100% rename from challenges/3.7.Strictly_Greater_Than_Operator/lesson_code.py rename to challenges/3.7.Strictly_Greater_Than_Operator/main.py diff --git a/challenges/3.8.False_Operator/lesson_code.py b/challenges/3.8.False_Operator/main.py similarity index 100% rename from challenges/3.8.False_Operator/lesson_code.py rename to challenges/3.8.False_Operator/main.py diff --git a/challenges/3.9.True_Operator/lesson_code.py b/challenges/3.9.True_Operator/main.py similarity index 100% rename from challenges/3.9.True_Operator/lesson_code.py rename to challenges/3.9.True_Operator/main.py diff --git a/challenges/3.A.Logical_And_Operator/lesson_code.py b/challenges/3.A.Logical_And_Operator/main.py similarity index 100% rename from challenges/3.A.Logical_And_Operator/lesson_code.py rename to challenges/3.A.Logical_And_Operator/main.py diff --git a/challenges/3.B.Logical_Not_Operator/lesson_code.py b/challenges/3.B.Logical_Not_Operator/main.py similarity index 100% rename from challenges/3.B.Logical_Not_Operator/lesson_code.py rename to challenges/3.B.Logical_Not_Operator/main.py diff --git a/challenges/3.C.Logical_Or_Operator/lesson_code.py b/challenges/3.C.Logical_Or_Operator/main.py similarity index 100% rename from challenges/3.C.Logical_Or_Operator/lesson_code.py rename to challenges/3.C.Logical_Or_Operator/main.py diff --git a/challenges/3.D.Is_Operator/lesson_code.py b/challenges/3.D.Is_Operator/main.py similarity index 100% rename from challenges/3.D.Is_Operator/lesson_code.py rename to challenges/3.D.Is_Operator/main.py diff --git a/challenges/3.E.Is_Not_Operator/lesson_code.py b/challenges/3.E.Is_Not_Operator/main.py similarity index 100% rename from challenges/3.E.Is_Not_Operator/lesson_code.py rename to challenges/3.E.Is_Not_Operator/main.py diff --git a/challenges/3.F.In_Operator/lesson_code.py b/challenges/3.F.In_Operator/main.py similarity index 100% rename from challenges/3.F.In_Operator/lesson_code.py rename to challenges/3.F.In_Operator/main.py diff --git a/challenges/3.G.Not_In_Operator/lesson_code.py b/challenges/3.G.Not_In_Operator/main.py similarity index 100% rename from challenges/3.G.Not_In_Operator/lesson_code.py rename to challenges/3.G.Not_In_Operator/main.py diff --git a/challenges/4.1.Addition/lesson_code.py b/challenges/4.1.Addition/main.py similarity index 100% rename from challenges/4.1.Addition/lesson_code.py rename to challenges/4.1.Addition/main.py diff --git a/challenges/4.2.Subtraction/lesson_code.py b/challenges/4.2.Subtraction/main.py similarity index 100% rename from challenges/4.2.Subtraction/lesson_code.py rename to challenges/4.2.Subtraction/main.py diff --git a/challenges/4.3.Multiplication/lesson_code.py b/challenges/4.3.Multiplication/main.py similarity index 100% rename from challenges/4.3.Multiplication/lesson_code.py rename to challenges/4.3.Multiplication/main.py diff --git a/challenges/4.4.Float_Division/lesson_code.py b/challenges/4.4.Float_Division/main.py similarity index 100% rename from challenges/4.4.Float_Division/lesson_code.py rename to challenges/4.4.Float_Division/main.py diff --git a/challenges/4.5.Integer_Division/lesson_code.py b/challenges/4.5.Integer_Division/main.py similarity index 100% rename from challenges/4.5.Integer_Division/lesson_code.py rename to challenges/4.5.Integer_Division/main.py diff --git a/challenges/4.6.Exponents/lesson_code.py b/challenges/4.6.Exponents/main.py similarity index 100% rename from challenges/4.6.Exponents/lesson_code.py rename to challenges/4.6.Exponents/main.py diff --git a/challenges/4.7.Remainder/lesson_code.py b/challenges/4.7.Remainder/main.py similarity index 100% rename from challenges/4.7.Remainder/lesson_code.py rename to challenges/4.7.Remainder/main.py diff --git a/challenges/4.8.Divmod/lesson_code.py b/challenges/4.8.Divmod/main.py similarity index 100% rename from challenges/4.8.Divmod/lesson_code.py rename to challenges/4.8.Divmod/main.py diff --git a/challenges/4.9.Square_Root/lesson_code.py b/challenges/4.9.Square_Root/main.py similarity index 100% rename from challenges/4.9.Square_Root/lesson_code.py rename to challenges/4.9.Square_Root/main.py diff --git a/challenges/4.A.Sum/lesson_code.py b/challenges/4.A.Sum/main.py similarity index 100% rename from challenges/4.A.Sum/lesson_code.py rename to challenges/4.A.Sum/main.py diff --git a/challenges/4.B.Rounding/lesson_code.py b/challenges/4.B.Rounding/main.py similarity index 100% rename from challenges/4.B.Rounding/lesson_code.py rename to challenges/4.B.Rounding/main.py diff --git a/challenges/4.C.Absolute_Value/lesson_code.py b/challenges/4.C.Absolute_Value/main.py similarity index 100% rename from challenges/4.C.Absolute_Value/lesson_code.py rename to challenges/4.C.Absolute_Value/main.py diff --git a/challenges/4.D.Min_Value/lesson_code.py b/challenges/4.D.Min_Value/main.py similarity index 100% rename from challenges/4.D.Min_Value/lesson_code.py rename to challenges/4.D.Min_Value/main.py diff --git a/challenges/4.E.Max_Value/lesson_code.py b/challenges/4.E.Max_Value/main.py similarity index 100% rename from challenges/4.E.Max_Value/lesson_code.py rename to challenges/4.E.Max_Value/main.py diff --git a/challenges/5.1.Variables/lesson_code.py b/challenges/5.1.Variables/main.py similarity index 100% rename from challenges/5.1.Variables/lesson_code.py rename to challenges/5.1.Variables/main.py