this time with no legal info

5/ex2.py

@@ -0,0 +1,28 @@
+import bisect
+
+count = 0
+
+intervals = []
+
+with open("input.txt" , "r") as file:
+    for line in file:
+        line = line.strip()
+        if line == "":
+            break
+        start, end = map(int, line.split("-"))
+        intervals.append((start, end))
+    
+    intervals.sort(key = lambda x: x[0])
+    merged = [intervals[0]]
+
+    for current_start, current_end in intervals[1:]:
+        last_start, last_end = merged[-1]
+        if current_start <= last_end:
+            merged[-1] = (last_start, max(last_end, current_end))
+        else:
+            merged.append((current_start, current_end))
+    
+    for interval in merged:
+        count += interval[1] - interval[0] + 1
+
+print(count)