Solve 2023 day 1 part 1

korverdev · korverdev · commit a1d42fa52eab · 2023-12-01T12:14:45.000-06:00
diff --git a/2023/day_1.py b/2023/day_1.py
@@ -0,0 +1,35 @@
+def calibration_value(str_: str) -> int:
+    """
+    
+    >>> calibration_value("1abc2")
+    12
+    >>> calibration_value("pqr3stu8vwx")
+    38
+    >>> calibration_value("a1b2c3d4e5f")
+    15
+    >>> calibration_value("treb7uchet")
+    77
+    """
+    digits = [char for char in str_ if char.isdigit()]
+    first_digit = digits[0]
+    last_digit = digits[-1]
+
+    two_digit_number = f"{first_digit}{last_digit}"
+    return int(two_digit_number)
+
+
+if __name__ == "__main__":
+    print("Provide puzzle input:")
+
+    strs = []
+
+    try:
+        while True:
+            strs.append(input())
+            
+    except KeyboardInterrupt:
+        pass
+
+    print("Part 1:")
+    sum = sum(calibration_value(str_) for str_ in strs)
+    print(sum)
