промежутое

programm3.py

@@ -0,0 +1,44 @@
+def days_in_month(month, year):
+    if month in [1, 3, 5, 7, 8, 10, 12]:
+        return 31
+    elif month in [4, 6, 9, 11]:
+        return 30
+    else:
+        return 28
+
+
+def date_to_days(day, month, year):
+    total_days = 0
+    
+    if year == 1994:
+        total_days += 365
+    
+    for m in range(1, month):
+        total_days += days_in_month(m, year)
+    
+    total_days += day
+    
+    return total_days
+
+
+with open('INPUT.TXT', 'r') as f:
+    petya_date = f.readline().strip()
+    vasya_date = f.readline().strip()
+
+petya_parts = petya_date.split('.')
+petya_day = int(petya_parts[0])
+petya_month = int(petya_parts[1])
+petya_year = 1900 + int(petya_parts[2])
+
+vasya_parts = vasya_date.split('.')
+vasya_day = int(vasya_parts[0])
+vasya_month = int(vasya_parts[1])
+vasya_year = 1900 + int(vasya_parts[2])
+
+petya_days = date_to_days(petya_day, petya_month, petya_year)
+vasya_days = date_to_days(vasya_day, vasya_month, vasya_year)
+
+difference = vasya_days - petya_days
+
+with open('OUTPUT.TXT', 'w') as f:
+    f.write(str(difference))