Add Chapter 8 python files

thinkcspy/Chapter-8-Exercises/Python-files/Problem2.py

@@ -0,0 +1,20 @@
+# Runestone.Academy thinkcspy course
+# Chapter 8
+# Problem 2
+
+def print_triangular_numbers(n):
+    # your code here
+    i = 1
+
+    while i <= n:
+        trinum = 0
+        bound = i
+        
+        while bound > 0:
+            trinum += bound
+            bound -= 1
+
+        print(i, "\t", trinum)
+        i += 1
+    
+print_triangular_numbers(5)