Add solution to problem 4

Problem4_1.py

@@ -0,0 +1,71 @@
+def checkRolls(x: int, y: int) :
+	rolls = 0
+	#!Check row above
+	if y > 0 :
+		#Check above left
+		if x > 0 and inputGrid[y - 1][x - 1] == "@" :
+			rolls += 1
+		#Check directly above
+		if inputGrid[y - 1][x] == "@" :
+			rolls += 1
+		#Check above right
+		if x < len(inputGrid[y - 1]) - 1 and inputGrid[y - 1][x + 1] == "@" :
+			rolls += 1
+	#!Check same row
+	#Check left
+	if x > 0 and inputGrid[y][x - 1] == "@" :
+		rolls += 1
+	#Check right
+	if x < len(inputGrid[y]) - 1 and inputGrid[y][x + 1] == "@":
+		rolls += 1
+	#!Check row below
+	if y < len(inputGrid) - 1 :
+		#Check below left
+		if x > 0 and inputGrid[y + 1][x - 1] == "@" :
+			rolls += 1
+		#Check directly below
+		if inputGrid[y + 1][x] == "@" :
+			rolls += 1
+		#Check below right
+		if x < len(inputGrid[y]) - 1 and inputGrid[y + 1][x + 1] == "@" :
+			rolls += 1
+	return rolls
+
+
+testInput = [
+	"..@@.@@@@.",
+	"@@@.@.@.@@",
+	"@@@@@.@.@@",
+	"@.@@@@..@.",
+	"@@.@@@@.@@",
+	".@@@@@@@.@",
+	".@.@.@.@@@",
+	"@.@@@.@@@@",
+	".@@@@@@@@.",
+	"@.@.@@@.@."
+]
+
+def readFile() :
+	ary = []
+	with open("files/Problem4.txt", "r") as file :
+		for line in file :
+			ary.append(line.replace("\n", ""))
+	return ary
+
+
+#inputGrid = testInput
+inputGrid = readFile()
+accessibleRoles = 0
+x = 0
+y = 0
+for y in range(len(inputGrid)) :
+	for x in range(len(inputGrid[y])) :
+		if inputGrid[y][x] == "@" :
+			rollsAround = checkRolls(x, y)
+			#print(f"roll at ({x}, {y}) with {rollsAround} rolls around")
+			if rollsAround < 4 :
+				accessibleRoles += 1
+				#print(f"Accessible roll at ({x}, {y}) with {rollsAround} rolls around")
+print(f"Total accessible roles = {accessibleRoles}")
+
+#Total accessible roles = 1445