Day 1

day01/data/input100.txt

@@ -0,0 +1,4 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet

day01/data/input200.txt

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+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

day01/task1.py

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+def process_line(line):
+    f = None
+    for char in line:
+        if char in "0123456789":
+            if not f:
+                f = char
+            l = char
+    return int("".join([f, l]))
+
+
+with open("day01/data/input100.txt") as infile:
+    result = sum(map(process_line, infile))
+    print(result)
+    print(result == 142)
+
+with open("day01/data/input101.txt") as infile:
+    result = sum(map(process_line, infile))
+    print(result)
+    print(result == 54968)

day01/task2.py

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+import re
+
+NUMBERS = re.compile(r"([0-9]|zero|one|two|three|four|five|six|seven|eight|nine)")
+NUMBERS_MAP = dict(
+    zip(
+        list(map(str, range(0, 10)))
+        + [
+            "zero",
+            "one",
+            "two",
+            "three",
+            "four",
+            "five",
+            "six",
+            "seven",
+            "eight",
+            "nine",
+        ],
+        list(range(0, 10)) + list(range(0, 10)),
+    )
+)
+
+
+def process_line(line):
+    first = None
+
+    match = re.search(NUMBERS, line)
+
+    while match:
+        line = line[(match.start() + 1) :]
+
+        if not first:
+            first = NUMBERS_MAP[match.group(1)]
+        last = NUMBERS_MAP[match.group(1)]
+
+        match = re.search(NUMBERS, line)
+
+    return 10 * first + last
+
+
+with open("day01/data/input200.txt") as infile:
+    result = sum(map(process_line, infile))
+    print(result)
+    print(result == 281)
+
+with open("day01/data/input201.txt") as infile:
+    result = sum(map(process_line, infile))
+    print(result)
+    print(result == 54094)