Add problem 3 solution

Problem3_1.py

@@ -0,0 +1,37 @@
+def findBankMax(bank: str):
+	maxChar = max(bank[0:-1])
+	maxLoc = bank.find(maxChar)
+	#If this isn't the last character
+	if maxLoc != len(bank) - 1 :
+		secondMaxChar = max(bank[maxLoc + 1:])
+		return int(maxChar + secondMaxChar)
+	#If this is the last character
+	else :
+		secondMaxChar = max(bank[0:-1])
+		return int(secondMaxChar + maxChar)
+
+testBanks = [
+	"987654321111111",
+	"811111111111119",
+	"234234234234278",
+	"818181911112111"
+]
+
+
+def readFile() :
+	ary = []
+	with open("files/Problem3.txt", "r") as file :
+		for line in file :
+			ary.append(line.replace("\n", ""))
+	return ary
+
+
+#inputBanks = testBanks
+inputBanks = readFile()
+results = []
+for bank in inputBanks :
+	bankMax = findBankMax(bank)
+	results.append(bankMax)
+print(f"Results = {sum(results)}")
+
+#Results = 17092