diff --git a/mathgenerator/funcs/binary2sComplement.py b/mathgenerator/funcs/binary2sComplement.py
index 478b2c9..01af731 100644
--- a/mathgenerator/funcs/binary2sComplement.py
+++ b/mathgenerator/funcs/binary2sComplement.py
@@ -20,7 +20,7 @@ def binary2sComplementFunc(maxDigits=10):
         answer[j] = '0'
         j -= 1
 
-    if j == 0 and carry == True:
+    if j == 0 and carry is True:
         answer.insert(0, '1')
 
     problem = "2's complement of " + question + " ="
diff --git a/mathgenerator/funcs/fibonacciSeriesFunc.py b/mathgenerator/funcs/fibonacciSeriesFunc.py
index a66e2f4..60391cb 100644
--- a/mathgenerator/funcs/fibonacciSeriesFunc.py
+++ b/mathgenerator/funcs/fibonacciSeriesFunc.py
@@ -5,14 +5,14 @@ def fibonacciSeriesFunc(minNo=1):
     n = random.randint(minNo, 20)
 
     def createFibList(n):
-        l = []
+        list = []
         for i in range(n):
             if i < 2:
-                l.append(i)
+                list.append(i)
             else:
-                val = l[i - 1] + l[i - 2]
-                l.append(val)
-        return l
+                val = list[i - 1] + list[i - 2]
+                list.append(val)
+        return list
 
     fibList = createFibList(n)
 
diff --git a/mathgenerator/funcs/nthFibonacciNumberFunc.py b/mathgenerator/funcs/nthFibonacciNumberFunc.py
index a1a66fb..b7475ee 100644
--- a/mathgenerator/funcs/nthFibonacciNumberFunc.py
+++ b/mathgenerator/funcs/nthFibonacciNumberFunc.py
@@ -5,7 +5,6 @@ def nthFibonacciNumberFunc(maxN=100):
     golden_ratio = (1 + math.sqrt(5)) / 2
     n = random.randint(1, maxN)
     problem = f"What is the {n}th Fibonacci number?"
-    ans = round((math.pow(golden_ratio, n) - math.pow(-golden_ratio, -n)) /
-                (math.sqrt(5)))
+    ans = round((math.pow(golden_ratio, n) - math.pow(-golden_ratio, -n)) / (math.sqrt(5)))
     solution = f"{ans}"
     return problem, solution
diff --git a/mathgenerator/mathgen.py b/mathgenerator/mathgen.py
index a9b2a98..faa6cac 100644
--- a/mathgenerator/mathgen.py
+++ b/mathgenerator/mathgen.py
@@ -40,7 +40,7 @@ def genById(id):
 # Format is:
 # <title> = Generator("<Title>", <id>, <generalized problem>, <generalized solution>, <function name>)
 # Funcs_start - DO NOT REMOVE!
-#addition = Generator("Addition", 0, "a+b=", "c", additionFunc)
+# addition = Generator("Addition", 0, "a+b=", "c", additionFunc)
 subtraction = Generator("Subtraction", 1, "a-b=", "c", subtractionFunc)
 multiplication = Generator("Multiplication", 2, "a*b=", "c",
                            multiplicationFunc)