diff --git a/thinkcspy/Chapter-16-Exercises/Problem1_factorial.py b/thinkcspy/Chapter-16-Exercises/Problem1_factorial.py
new file mode 100644
index 0000000..5c56c30
--- /dev/null
+++ b/thinkcspy/Chapter-16-Exercises/Problem1_factorial.py
@@ -0,0 +1,12 @@
+# Runestone.Academy thinkcspy course
+# Chapter 16
+# Problem 1
+
+def computeFactorial(number):
+    if number < 0:
+        return
+    elif number > 1:
+        number *= computeFactorial(number - 1)
+        return number
+    else:
+        return 1
\ No newline at end of file
diff --git a/thinkcspy/Chapter-16-Exercises/Problem2_reverseList.py b/thinkcspy/Chapter-16-Exercises/Problem2_reverseList.py
new file mode 100644
index 0000000..32d7d3a
--- /dev/null
+++ b/thinkcspy/Chapter-16-Exercises/Problem2_reverseList.py
@@ -0,0 +1,10 @@
+# Runestone.Academy thinkcspy course
+# Chapter 16
+# Problem 2
+
+def reverseList(lst):
+    if len(lst) == 1:
+        return lst
+    else:
+        lst = [lst[-1]] + reverseList(lst[:-1])
+        return lst
\ No newline at end of file
diff --git a/thinkcspy/Chapter-16-Exercises/Problem5_fibonacci.py b/thinkcspy/Chapter-16-Exercises/Problem5_fibonacci.py
new file mode 100644
index 0000000..009ce94
--- /dev/null
+++ b/thinkcspy/Chapter-16-Exercises/Problem5_fibonacci.py
@@ -0,0 +1,14 @@
+# Runestone.Academy thinkcspy course
+# Chapter 16
+# Problem 5
+
+def fibonacci(number):
+    if number < 0:
+        return
+    elif number == 0 or number == 1:
+        return number
+    else:
+        number = fibonacci(number - 1) + fibonacci(number - 2)
+        return number
+    
+print(fibonacci(10))
\ No newline at end of file