diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fb4e5fe
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+tutogit.pdf
diff --git a/tutogit.py b/tutogit.py
index 60d53af..3022a28 100644
--- a/tutogit.py
+++ b/tutogit.py
@@ -9,10 +9,7 @@ xn = np.arange(N)
   
 plt.scatter(xn,np.sin(2.*np.pi*xn/N),c='g',s=2,marker='s')
 
-xn = np.arange(N*10)
-plt.plot(xn,np.sin(2.*np.pi*xn/N),'b')
 
-plt.xlim(0,32)
 
 plt.savefig('tutogit.pdf')