Added Day1 Door 1 working

Day1/doorOne.py

@@ -0,0 +1,24 @@
+file = open('/Users/mastermito/Dev/AdventOfCode/Day1/input.txt', 'r')
+
+sum = 0
+
+lines = file.readlines()
+ranges = lines[0].strip().split(',')
+
+for r in ranges:
+    bounds = r.split('-')
+    length = bounds[0].__len__() 
+    startPattern = bounds[0][:length//2];
+    if startPattern == '':
+        startPattern = '1'
+    lower = int(bounds[0])
+    upper = int(bounds[1])
+    
+    checkID = 0
+    while checkID <= upper:
+        checkID = int(startPattern + startPattern)
+        if checkID >= lower and checkID <= upper:
+            sum += checkID
+        startPattern = str(int(startPattern) + 1)
+
+print('Sum is: ', sum)