diff --git a/machine-learning-algo/linear-regression.py b/machine-learning-algo/linear-regression.py
new file mode 100644
index 0000000..2d83b32
--- /dev/null
+++ b/machine-learning-algo/linear-regression.py
@@ -0,0 +1,36 @@
+import numpy as np
+from sklearn.linear_model import LinearRegression
+x = np.array([5, 15, 25, 35, 45, 55]).reshape((-1, 1))
+y = np.array([5, 20, 14, 32, 22, 38])
+print(x)
+
+print(y)
+
+model = LinearRegression()
+
+model.fit(x, y)
+model = LinearRegression().fit(x, y)
+r_sq = model.score(x, y)
+print('coefficient of determination:', r_sq)
+print('intercept:', model.intercept_)
+
+print('slope:', model.coef_)
+new_model = LinearRegression().fit(x, y.reshape((-1, 1)))
+
+print('intercept:', new_model.intercept_)
+
+print('slope:', new_model.coef_)
+y_pred = model.predict(x)
+
+print('predicted response:', y_pred, sep='\n')
+y_pred = model.intercept_ + model.coef_ * x
+
+print('predicted response:', y_pred, sep='\n')
+
+x_new = np.arange(5).reshape((-1, 1))
+
+print(x_new)
+
+y_new = model.predict(x_new)
+
+print(y_new)
diff --git a/strings/vowel_count.py b/strings/vowel_count.py
index 948f4c4..b34edeb 100644
--- a/strings/vowel_count.py
+++ b/strings/vowel_count.py
@@ -22,7 +22,7 @@ def vowel_count(str):
     print("No. of vowels :", count) 
       
 # Driver code  
-str = "" #Enter string
+str = input("#Enter string =")
   
 # Function Call 
-vowel_count(str) 
\ No newline at end of file
+vowel_count(str)