diff --git a/__init__.pyc b/__init__.pyc
index 6c0d88a..06cc1d9 100644
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diff --git a/q01_k_means/__init__.pyc b/q01_k_means/__init__.pyc
index bff55bc..8a71b7c 100644
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diff --git a/q01_k_means/build.py b/q01_k_means/build.py
index fca565c..1f8dbbf 100644
--- a/q01_k_means/build.py
+++ b/q01_k_means/build.py
@@ -10,7 +10,7 @@
 y_train = digits.target
 
 # Write your solution here :
-
-
-
-
+def k_means(X_train, y_train, cluster=10, random_state=9):
+    km=KMeans(init="random", n_clusters=10).fit(X_train)
+    plt.scatter(y_train, X_train[:,0,0], c=km, s=50)
+    plt.show()
diff --git a/q01_k_means/build.pyc b/q01_k_means/build.pyc
index fa56657..227d83b 100644
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diff --git a/q01_k_means/tests/__init__.pyc b/q01_k_means/tests/__init__.pyc
index f6a37b9..f50cb22 100644
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diff --git a/q01_k_means/tests/test_q01_k_means.pyc b/q01_k_means/tests/test_q01_k_means.pyc
index ac55928..f8bf3c5 100644
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diff --git a/q02_hierarchy_clustering/__init__.pyc b/q02_hierarchy_clustering/__init__.pyc
index 9e9464b..e008d0a 100644
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diff --git a/q02_hierarchy_clustering/build.py b/q02_hierarchy_clustering/build.py
index 2ba8b26..6919f6b 100644
--- a/q02_hierarchy_clustering/build.py
+++ b/q02_hierarchy_clustering/build.py
@@ -1,12 +1,24 @@
-# Default imports
-
 import pandas as pd
 import matplotlib.pyplot as plt
 from sklearn.preprocessing import scale
 from scipy.cluster import hierarchy
 from sklearn import datasets
-
+from scipy.cluster.hierarchy import dendrogram, linkage
 digits = datasets.load_digits()
 df = pd.DataFrame(scale(digits.data), index=digits.target)
-
+df
 # Write your solution here :
+def hierarchy_clustering(X):
+    Z = linkage(X, 'average')
+    Z[80]
+    plt.figure(figsize=(25, 10))
+
+    plt.title('Hierarchical Clustering Dendrogram')
+    plt.xlabel('sample index')
+    plt.ylabel('distance')
+    dendrogram(
+        df,
+        leaf_rotation=90.,  # rotates the x axis labels
+        leaf_font_size=8.,  # font size for the x axis labels
+    )
+    plt.show()
diff --git a/q02_hierarchy_clustering/build.pyc b/q02_hierarchy_clustering/build.pyc
index 59f6156..37ae4fb 100644
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diff --git a/q02_hierarchy_clustering/tests/__init__.pyc b/q02_hierarchy_clustering/tests/__init__.pyc
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diff --git a/q02_hierarchy_clustering/tests/test_q02_hierarchy_clustering.pyc b/q02_hierarchy_clustering/tests/test_q02_hierarchy_clustering.pyc
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