renamed modules and generators to fit pep8

mathgenerator/funcs/profit_loss_percent.py

@@ -0,0 +1,22 @@
+from .__init__ import *
+
+
+def profitLossPercentFunc(maxCP=1000, maxSP=1000):
+    cP = random.randint(1, maxCP)
+    sP = random.randint(1, maxSP)
+    diff = abs(sP - cP)
+    if (sP - cP >= 0):
+        profitOrLoss = "Profit"
+    else:
+        profitOrLoss = "Loss"
+    percent = diff / cP * 100
+    problem = f"{profitOrLoss} percent when CP = {cP} and SP = {sP} is: "
+    solution = percent
+
+    return problem, solution
+
+
+profit_loss_percent = Generator(
+    "Profit or Loss Percent", 63,
+    "Profit/ Loss percent when CP = cp and SP = sp is: ", "percent",
+    profitLossPercentFunc)