diff --git a/01-cconsonant-count.py b/01-cconsonant-count.py
index 0a576e9..40051f2 100644
--- a/01-cconsonant-count.py
+++ b/01-cconsonant-count.py
@@ -11,4 +11,35 @@
 
 Input: 'SpamAndEggs'
 Output: 8
-'''
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+'''
+
+# def count_check(string):
+#     vowels = ["a", "e", "i", "o", "u"]
+
+#     if string == "":
+#         return 0
+#     if
+
+
+def const_count(str):
+        vowel = 'aeiouAEIOU'
+        if str == '':
+            return 0
+        if str[0].casefold() not in vowel:
+            return 1 + const_count(str[1:])
+        else:
+            return const_count(str[1:])
+
+print(const_count('SpamAndEggs'))
+
+# def consonant_count(str):
+#     cons = 0
+#     vowels = ['a', 'e', 'i', 'o', 'u']
+#     for char  in str:
+#         if(char not in vowels):
+#             cons += 1
+#         else: 
+#             cons = cons
+#     return cons
+
+# print(consonant_count('airplane'))
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diff --git a/02-fibonacci.py b/02-fibonacci.py
index c71242e..76337c1 100644
--- a/02-fibonacci.py
+++ b/02-fibonacci.py
@@ -17,4 +17,13 @@
 
 input: 30
 output: 832040
-'''
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+'''
+
+def fibbonacci(n):
+    #base case is n == 1 or2
+    if n == 1 or n == 2:
+        return 1
+    else:
+        return fibbonacci(n - 1) + fibbonacci(n - 2)
+    
+print(fibbonacci(30))
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diff --git a/03-reverse-string.py b/03-reverse-string.py
index b9ce3e4..ce9020b 100644
--- a/03-reverse-string.py
+++ b/03-reverse-string.py
@@ -12,3 +12,12 @@
 input: "abcdefghijklmnopqrstuvwxyz"
 output: "zyxwvutsrqponmlkjihgfedcba"
 '''
+
+def reverse(string):
+    if len(string) <= 1:
+        return string
+    else:
+        print(string)
+        return reverse(string[1:]) + string[0]
+    
+print(reverse("hello world"))
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diff --git a/04-pretty-print.py b/04-pretty-print.py
index 18c7f29..75425d9 100644
--- a/04-pretty-print.py
+++ b/04-pretty-print.py
@@ -35,4 +35,26 @@
 # use these for testing
 o1 = {"a": 1, "b": 2}
 o2 = {"a": 1, "b": 2, "c": {"name": "Bruce Wayne", "occupation": "Hero"}, "d": 4}
-o3 = {"a": 1, "b": 2, "c": {"name": "Bruce Wayne", "occupation": "Hero", "friends": {"spiderman": {"name": "Peter Parker"}, "superman": {"name": "Clark Kent"}}}, "d": 4}
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+o3 = {"a": 1, "b": 2, "c": {"name": "Bruce Wayne", "occupation": "Hero", "friends": {"spiderman": {"name": "Peter Parker"}, "superman": {"name": "Clark Kent"}}}, "d": 4}
+
+
+# def pretty_print(dictionary, indent):
+#     for key, value in dictionary.items():
+#         if type(dictionary[key]) == type({}):
+#             print(f"{indent}{key}:{f"pretty_print(dictionary[key], + "  ")}")
+#         else:
+#             print(f"{indent}{key}: {dictionary[key]}")
+
+# pretty_print(o2, "")
+
+def pretty_print(dictionary, indentation = ""):
+    #iterate over whole dictionary
+    for key in dictionary:
+        value = dictionary[key]
+        if indentation(value, dict):
+            print(f"{indentation}{key}:")
+            pretty_print(value, indentation + "    ")
+        else:
+            print(f"{indentation}{key}:{value}")
+
+pretty_print(o3)
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