#num1
import random
from math import ceil

rm = [random.randint(-5, 5) for x in range(8)]
print(rm)
def halfchange(arr, size):
    return list(map(lambda x: arr[x * size:x * size + size],
                    list(range(0, ceil(len(arr) / size)))))
print(halfchange(rm, int(len(rm)/2)))
a, b = halfchange(rm, int(len(rm)/2))[0], halfchange(rm, int(len(rm)/2))[1]
a, b = b, a
print([a, b])

#num2
import string
print(chr(128522))

index = 0
matriza_vvoda = []
while index == 0:                    
    matriza_vvoda += [input().split(' ')]
    last = matriza_vvoda.pop()
    if last == ['end']:
        index = 1
    else:
        matriza_vvoda += [last]
mt = []
mt += [matriza_vvoda[i][0] for i in range(len(matriza_vvoda))]
m = [' '.join(matriza_vvoda[i]) for i in range(len(matriza_vvoda))]

res = []
for i in range(len(m)):
    a = len([c for c in m[i] if c in 'aeiouAEIOU'])
    res += ['Гласных = {0}'.format(a)]

res

#num3
import random
import numpy as np
import numpy.linalg as li
N = 4; M = 5

A = np.array([[random.randint(-10, 10) for x in range(N)] for j in range(M)])
a = abs(A)
sm = [sum(x) for x in a]

mx = sm[0]
for i in range(len(sm)):
    if sm[i] > mx:
        mx = sm[i]
        imx = i

print(A, '\n', 'min=', min(A[imx]),'\n', sm)

#num4
import numpy as np

A = np.reshape([np.random.randint(3,5) for x in range(60)],(4,15));A = np.array(A);A

AA = np.vstack(((np.array([x for x in range(len(A[0]))])).transpose(), A));print(AA)
a = AA.transpose();print(a)

thr = [x for x in a if int(sum(x[1:] == 3)/len(x[1:]) == 1) ];
print([x[0] for x in thr],'\n', len(thr))

print([int(sum(x[1:] == 3)/len(x[1:])) for x in a ])