19.py

@@ -0,0 +1,11 @@
+from datetime import date
+
+sundays = 0
+
+for year in range(1901,2001):   # From 1901 to 2000
+	for month in range(1,13): # Every month
+		# Check if first day of the month is Sunday (6)
+		if date(year, month, 1).weekday() == 6:
+			sundays += 1
+
+print(sundays)