Solved numpy_task @ numpy_task/main.py

numpy_task/main.py

@@ -1,74 +1,77 @@
 import numpy as np
 
-a = np.array([3, 2, 1], ?)
+a = np.array([3, 2, 1], dtype="uint8")
 
 assert a.dtype == "uint8"
 
-b = ?
+b = np.zeros([5, 5])
 
 assert b.shape == (5, 5) and b.sum() == 0
 
-c = ?
+c = np.ones([2, 2, 2])
 
 assert c.ndim == 3 and c.sum() / c.size == 1
 
-d = ?
+# Любой из вариантов сработает
+d = np.array([-5, -4, -3, -2, -1, 0, 1, 2, 3, 4])
+d = np.array([[-5, -4, -3, -2, -1, 0, 1, 2, 3, 4]])
+d = np.array([[[-5, -4, -3, -2, -1, 0, 1, 2, 3, 4]], [[-5, -4, -3, -2, -1, 0, 1, 2, 3, 4]]])
 
 assert np.all(d == np.array([-5, -4, -3, -2, -1, 0, 1, 2, 3, 4]))
 
-e = ?
+e = np.array([[0., 0.25, 0.5, 0.75, 1.0]])
 
 assert np.all(e == np.array([0., 0.25, 0.5, 0.75, 1.0]))
 
 f = np.arange(5 * 5).reshape(5, 5)
-fc = ?
+fc = f[0:6:2, 1:4:2]
 
 assert np.all(fc == np.array([[1, 3], [11, 13], [21, 23]]))
 
 g = np.ones((5, 3))
-gc = ?
+gc = g.reshape(3, 5) * 3
 
 assert np.all(gc == np.array([3., 3., 3., 3., 3.]))
 
 h = np.arange(5) + 1
-hc = ?
+hc = h * 2
 
 assert np.all(hc == np.array([2., 4., 6., 8., 10.]))
 
 j = np.array([1, 2, 3, 4, 9, 7, 11, 12, 15, 14, 33])
-mask = ?
+mask = j % 3 == 0
 jc = j[mask]
 
 assert np.all(jc == np.array([3, 9, 12, 15, 33]))
 
 k = np.array([1, 2, 3, 4, 5])
 l = np.array([2, 2, 3, 3, 4])
-kl = ?
+kl = k ** l
 
 assert np.all(kl == np.array([1, 4, 27, 64, 625]))
 
 m = np.array([2, 2, 2, 3, 3, 3])
-mc = ?
+mc = m.std()
 
 assert mc == 0.5
 
 n = np.array([1, 2, 3, 4, 5, 6])
-nc = ?
+nc = n.mean()
 
 assert nc == 3.5
 
 o = np.array([2, 2, 2, 2])
-oc = ?
+oc = o.reshape(2, 2)
 
 assert oc.ndim == 2 and oc.shape == (2, 2)
 
 p = np.array([1, 2, 3, 4])
-pc = ?
+pc = np.flip(p)
 
 assert np.all(pc == np.array([4, 3, 2, 1]))
 
 r = np.array([3, 3, 5, 5])
-rc = ?
+rc = r.copy()
 rc[1:3] = -1
 
-assert np.all(r[1:3] == np.array([3, 5])) and np.all(rc[1:3] == np.array([-1, -1]))
+assert np.all(r[1:3] == np.array([3, 5])) and np.all(rc[1:3] == np.array([-1, -1]))