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Python Матрицы

Authored by Юрий Романов

Computers

10th - 11th Grade

Used 15+ times

Python Матрицы
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какое из следующих значений элемента матрицы будет равным числу 6? Матрица А имеет такой вид:

A = [[1, 2, 3],

[4, 5, 6],

[7, 8, 9]]

A[2][3]

A[2][1]

A[1][2]

A[3][2]

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какое из следующих описаний матрицы вызовет ошибку в Python?

A = [[1, 2, 3],

[4, 5, 6],

[7, 8, 9]]

B = [[3, 3, 3]

[4, 4, 4]

[5, 5, 5]]

C = [(1, 2, 4),

(5, 6, 7),

(8, 9, 10)]

D = [2, 3, 4,

3, 3, 3,

4, 5, 6]

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Что будет на выходе из следующего кода на Python?

A = [[1, 2, 3],

[4, 5, 6],

[7, 8, 9]]


print(A[1])

[4, 5, 6]

[3, 6, 9]

[1, 4, 7]

[1, 2, 3]

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Что будет на выходе из следующего кода на Python?

A = [[1, 2, 3],

[4, 5, 6],

[7, 8, 9]]

print ([A[row][1] for row in (0, 1, 2)])

[7, 8, 9]

[4, 5, 6]

[2, 5, 8]

[1, 4, 7]

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Что будет на выходе из следующего кода на Python?

A = [[1, 2, 3],

[4, 5, 6],

[7, 8, 9]]

print([A[i][i] for i in range(len(A))])

[1, 5, 9]

[3, 5, 7]

[4, 5, 6]

[2, 5, 8]

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Что будет на выходе из следующего кода на Python?

l=[[1, 2, 3], [4, 5, 6]]

for i in range(len(l)):

for j in range(len(l[i])):

l[i][j]+=10

print(l)

No output

Error

[[1, 2, 3], [4, 5, 6]]

[[11, 12, 13], [14, 15, 16]]

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Что будет на выходе из следующего кода на Python?

r = [11, 12, 13, 14, 15, 16, 17, 18, 19]

A = [[0, 10, 20],

[30, 40, 50],

[60, 70, 80]]


for row in A:

for col in row:

r.append(col+10)

print(r)

[11, 12, 13, 14, 15, 16, 17, 18, 19, 10, 20, 30, 40, 50, 60, 70, 80, 90]

[10, 20, 30, 40, 50, 60, 70, 80, 90]

[11, 12, 13, 14, 15, 16, 17, 18, 19]

[0, 10, 20, 30, 40, 50, 60, 70, 80]

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