Pascal's triangle

python/calculators/Pascal's Triangle.py

@@ -0,0 +1,18 @@
+def pascal(rowCount):
+	rows = [[1]]
+
+	for _ in range(rowCount): 
+		previousRow = rows[-1]
+		newRow = [1] # starts with a 1
+		for j in range(len(previousRow) - 1): 
+			newRow.append(previousRow[j] + previousRow[j + 1]) 
+		newRow.append(1) # ends with a 1 
+		rows.append(newRow)
+
+	return rows
+
+def nthRow(n):
+	rows = pascal(n)
+	return rows[n]
+
+print(nthRow(10))