change directory names

23/day1/example.txt

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

23/day1/main.py

@@ -0,0 +1,57 @@
+#!//usr/bin/env python
+
+
+def get_lines():
+    lines = list()
+    with open("input.txt", "r") as f:
+        for line in f:
+            lines.append(line.strip())
+    return lines
+
+
+total = 0
+
+for line in get_lines():
+    for char in line:
+        if char.isdigit():
+            first = int(char)
+            break
+    for char in line[::-1]:
+        if char.isdigit():
+            last = int(char)
+            break
+
+    value = first * 10 + last
+    total += value
+
+print(total)
+
+total = 0
+for line in get_lines():
+    digits = []
+    for i in range(len(line)):
+        rest = line[i:]
+        if rest.startswith("one"):
+            digits.append(1)
+        if rest.startswith("two"):
+            digits.append(2)
+        if rest.startswith("three"):
+            digits.append(3)
+        if rest.startswith("four"):
+            digits.append(4)
+        if rest.startswith("five"):
+            digits.append(5)
+        if rest.startswith("six"):
+            digits.append(6)
+        if rest.startswith("seven"):
+            digits.append(7)
+        if rest.startswith("eight"):
+            digits.append(8)
+        if rest.startswith("nine"):
+            digits.append(9)
+        if rest.startswith("zero"):
+            digits.append(0)
+        if rest[0].isdigit():
+            digits.append(int(rest[0]))
+    total += digits[0] * 10 + digits[-1]
+print(total)