diff --git "a/homework_02_numpy_matplotlib/2.\357\274\2101\357\274\211.text" "b/homework_02_numpy_matplotlib/2.\357\274\2101\357\274\211.text"
new file mode 100644
index 0000000000000000000000000000000000000000..02d4dadbe5236b160c6a674374d1dac5f27dd9a8
--- /dev/null
+++ "b/homework_02_numpy_matplotlib/2.\357\274\2101\357\274\211.text"
@@ -0,0 +1,8 @@
+import numpy as np
+import matplotlib.pyplot as plt
+t=np.arange(-5,5,0.05)
+tt=np.arange(-5,5.5,0.5)
+plt.plot(t,t**2+3)
+plt.vlines(tt,0,tt**2+3)
+plt.axis([-6,6,0,35])
+plt.show()
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