diff --git a/app/main.py b/app/main.py
index fa56336e..8836cdb2 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1 +1,36 @@
-# write your code here
+import random
+import matplotlib.pyplot as plt
+
+
+def flip_coin_ten_times() -> int:
+    coin = ["head", "tail"]
+    head_counter = 0
+    for i in range(10):
+        if random.choice(coin) == "head":
+            head_counter += 1
+    return head_counter
+
+
+def flip_coin() -> dict:
+    flip_dict = {}
+    total_cases = 10000
+    for i in range(total_cases):
+        head_number = flip_coin_ten_times()
+        if head_number not in flip_dict:
+            flip_dict[head_number] = 1
+        else:
+            flip_dict[head_number] += 1
+
+    for key in flip_dict:
+        flip_dict[key] = round((flip_dict[key] / total_cases) * 100, 2)
+    sorted_flip_dict = dict(sorted(flip_dict.items()))
+
+    return sorted_flip_dict
+
+
+def draw_gaussian_distribution_graph() -> None:
+    plt.ylim(0, 100)
+    plt.xlim(0, 10)
+    plt.ylabel("Drop percentage %")
+    plt.xlabel("Heads count")
+    plt.title("Gaussian")
diff --git a/requirements.txt b/requirements.txt
index 3f202d6e..893067e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ flake8-quotes==3.3.1
 flake8-variables-names==0.0.5
 pep8-naming==0.13.2
 pytest==7.1.3
+matplotlib