2023 day 3 part 1 solved

2023/3.py

@@ -0,0 +1,37 @@
+lines = [i for i in open("input.txt", 'r').read().splitlines()]
+
+sum = 0
+nonqual = ['0','1','2','3','4','5','6','7','8','9','.']
+
+for i in range(len(lines)):
+    columns = len(lines[i])
+    j = 0
+    while j < columns:
+        if lines[i][j].isnumeric():
+            num = ""
+            valid = False
+            for k in range(len(lines[i])):
+                if j+k >= columns:
+                    break
+                if lines[i][j+k].isnumeric():
+                    num += lines[i][j+k]
+                else:
+                    break
+            lennum = len(num)
+            for x in range(0 if j == 0 else j-1, columns if j + lennum == columns else j+lennum+1):
+                if i != 0:
+                    if not lines[i-1][x] in nonqual:
+                        valid = True
+                if i != len(lines)-1:
+                    if not lines[i+1][x] in nonqual:
+                        valid = True
+            if j != 0 and not lines[i][j-1] in nonqual:
+                valid = True
+            if j+lennum != columns and not lines[i][j+lennum] in nonqual: 
+                valid = True
+            if valid:
+                sum += int(num)
+            j += lennum
+        j += 1
+
+print(sum)