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klass_mymatrix.py
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klass_mymatrix.py
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import copy
class MyMatrix:
def __init__(self, matric2: list):
self.__data = copy.deepcopy(matric2)
def __repr__(self) -> str:
spisok = ""
for i in range(len(self.__data)):
for j in range(len(self.__data[i])):
if j == 3:
spisok += str(self.__data[i][j]) + "\n"
else:
spisok += str(self.__data[i][j]) + " "
return spisok
def norm_wyvod(self,cpicsok):
spisok = ""
for i in range(len(cpicsok)):
for j in range(len(cpicsok[i])):
if j == 3:
spisok += str(cpicsok[i][j]) + "\n"
else:
spisok += str(cpicsok[i][j]) + " "
return spisok
def __add__(self,matrix2):
matrix1 = copy.deepcopy(self.__data)
matrix3 = []
rows1 = 0
rows2 = 0
columns1 = 0
columns2 = 0
for i in range(len(matrix1)):
for j in range(len(matrix1[i])):
columns1 += 1
rows1 += 1
if columns1 != 0 and rows1 != 0:
columns1 = int(columns1 / rows1)
for i in range(len(matrix2)):
for j in range(len(matrix2[i])):
columns2 += 1
rows2 += 1
if columns2 != 0 and rows2 != 0:
columns2 = int(columns2 / rows2)
if columns1 == columns2 and rows1 == rows2:
if matrix3 != []:
del matrix3[:]
for i in range(rows1):
matrix3.append([])
for i in range(rows1):
for j in range(columns1):
x = matrix1[i][j] + matrix2[i][j]
matrix3[i].append(x)
del matrix1[:]
for i in matrix3:
matrix1.append(i)
return self.norm_wyvod(matrix3)
def __sub__(self,matrix2):
matrix1 = copy.deepcopy(self.__data)
matrix3 = []
rows1 = 0
rows2 = 0
columns1 = 0
columns2 = 0
for i in range(len(matrix1)):
for j in range(len(matrix1[i])):
columns1 += 1
rows1 += 1
if columns1 != 0 and rows1 != 0:
columns1 = int(columns1 / rows1)
for i in range(len(matrix2)):
for j in range(len(matrix2[i])):
columns2 += 1
rows2 += 1
if columns2 != 0 and rows2 != 0:
columns2 = int(columns2 / rows2)
if columns1 == columns2 and rows1 == rows2:
if matrix3 != []:
del matrix3[:]
for i in range(rows1):
matrix3.append([])
for i in range(rows1):
for j in range(columns1):
x = matrix1[i][j] - matrix2[i][j]
matrix3[i].append(x)
del matrix1[:]
for i in matrix3:
matrix1.append(i)
return self.norm_wyvod(matrix3)
def __iadd__(self, matrix):
matrix1 = copy.deepcopy(self.__data)
pass
def __isub__(self, matrix):
pass
def foo3(self): # change the name!
raise NotImplementedError
# этот метод должен позволять ИЗМЕНЯТЬ элемент по индексу,
# например, matrix[1, 2] = 5
# какие у них должны быть названия, опять же вопрос к вам
def foo4(self): # change the name!
raise NotImplementedError
def test_add():
matric = [[1, 2, 3, 4], [5, 6, 7, 8]]
matric1 = [[9, 10, 11, 12], [13, 14, 15, 16]]
stack = MyMatrix(matric1)
matric3 = stack + matric
assert(matric3 == '10 12 14 16\n18 20 22 24')
#test_add()
def test_sub():
matric = [[1, 2, 3, 4], [5, 6, 7, 8]]
matric1 = [[9, 10, 11, 12], [13, 14, 15, 16]]
stack = MyMatrix(matric1)
matric3 = stack - matric
assert(matric3 == '0 0 0 0\n0 0 0 0')
#test_sub()
def test_foo1():
stack = MyMatrix()
assert(stack.size() == 0)
stack.push(1)
assert(stack.size() == 1)
stack.push(2)
assert(stack.size() == 2)
stack.pop()
assert(stack.size() == 1)
#test_foo1()
def test_foo2():
stack = MyMatrix()
assert (stack.size() == 0)
stack.push(1)
assert (stack.size() == 1)
stack.is_empty()
stack.pop()
stack.is_empty()
assert (stack.is_empty() == True)
#test_foo2()
def test_foo3():
stack = MyMatrix()
stack.push(1)
assert (stack.top() == 1)
stack.push(2)
stack.top()
assert (stack.top() == 2)
#test_foo3()
def test_foo4():
stack = MyMatrix()
stack.push(1)
assert (stack.pop() == 1)
stack.push(7)
assert (stack.pop() == 7)
#test_foo4()
def test_push():
stack = MyMatrix()
stack.push(1)
assert (stack.top() == 1)
stack.push(3)
assert (stack.pop() == 3)
#test_push()