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Add missing type hints in matrix directory (#6612)

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* Update count_islands_in_matrix.py

* Update matrix_class.py

* Update matrix_operation.py

* Update nth_fibonacci_using_matrix_exponentiation.py

* Update searching_in_sorted_matrix.py

* Update count_islands_in_matrix.py

* Update matrix_class.py

* Update matrix_operation.py

* Update rotate_matrix.py

* Update sherman_morrison.py

* Update spiral_print.py

* Update count_islands_in_matrix.py

* formatting

* formatting

* Update matrix_class.py

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This commit is contained in:
Rohan R Bharadwaj
2022-10-04 23:35:56 +05:30
committed by GitHub
parent a84fb58271
commit 46842e8c5b
8 changed files with 142 additions and 119 deletions
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16
matrix/rotate_matrix.py
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@ -8,7 +8,7 @@ https://stackoverflow.com/questions/42519/how-do-you-rotate-a-two-dimensional-ar
from __future__ import annotations
def make_matrix(row_size: int = 4) -> list[list]:
def make_matrix(row_size: int = 4) -> list[list[int]]:
"""
>>> make_matrix()
[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]]
@ -25,7 +25,7 @@ def make_matrix(row_size: int = 4) -> list[list]:
return [[1 + x + y * row_size for x in range(row_size)] for y in range(row_size)]
def rotate_90(matrix: list[list]) -> list[list]:
def rotate_90(matrix: list[list[int]]) -> list[list[int]]:
"""
>>> rotate_90(make_matrix())
[[4, 8, 12, 16], [3, 7, 11, 15], [2, 6, 10, 14], [1, 5, 9, 13]]
@ -37,7 +37,7 @@ def rotate_90(matrix: list[list]) -> list[list]:
# OR.. transpose(reverse_column(matrix))
def rotate_180(matrix: list[list]) -> list[list]:
def rotate_180(matrix: list[list[int]]) -> list[list[int]]:
"""
>>> rotate_180(make_matrix())
[[16, 15, 14, 13], [12, 11, 10, 9], [8, 7, 6, 5], [4, 3, 2, 1]]
@ -49,7 +49,7 @@ def rotate_180(matrix: list[list]) -> list[list]:
# OR.. reverse_column(reverse_row(matrix))
def rotate_270(matrix: list[list]) -> list[list]:
def rotate_270(matrix: list[list[int]]) -> list[list[int]]:
"""
>>> rotate_270(make_matrix())
[[13, 9, 5, 1], [14, 10, 6, 2], [15, 11, 7, 3], [16, 12, 8, 4]]
@ -61,22 +61,22 @@ def rotate_270(matrix: list[list]) -> list[list]:
# OR.. transpose(reverse_row(matrix))
def transpose(matrix: list[list]) -> list[list]:
def transpose(matrix: list[list[int]]) -> list[list[int]]:
matrix[:] = [list(x) for x in zip(*matrix)]
return matrix
def reverse_row(matrix: list[list]) -> list[list]:
def reverse_row(matrix: list[list[int]]) -> list[list[int]]:
matrix[:] = matrix[::-1]
return matrix
def reverse_column(matrix: list[list]) -> list[list]:
def reverse_column(matrix: list[list[int]]) -> list[list[int]]:
matrix[:] = [x[::-1] for x in matrix]
return matrix
def print_matrix(matrix: list[list]) -> None:
def print_matrix(matrix: list[list[int]]) -> None:
for i in matrix:
print(*i)