[mypy] Fix type annotations for backtracking/sudoku.py, graphics/vector3_for_2d_rendering.py, maths/{area.py, two_pointer.py, two_sum.py, ugly_numbers.py} sorts/cocktail_shaker_sort.py, insertion_sort.py

backtracking/sudoku.py

@@ -1,7 +1,6 @@
 """
 Given a partially filled 9×9 2D array, the objective is to fill a 9×9
-square grid with digits numbered 1 to 9, so that every row, column, and
-and each of the nine 3×3 sub-grids contains all of the digits.
+square grid with digits numbered 1 to 9, so that every row, column, and each of the nine 3×3 sub-grids contains all of the digits.
 
 This can be solved using Backtracking and is similar to n-queens.
 We check to see if a cell is safe or not and recursively call the
@@ -90,8 +89,9 @@ def sudoku(grid: Matrix) -> Optional[Matrix]:
      >>> sudoku(no_solution) is None
      True
     """
-    if location := find_empty_location(grid):
-        row, column = location
+    if find_empty_location(grid)!=None:
+        #Assigning list values to row and column
+        row, column = find_empty_location(grid)
     else:
         # If the location is ``None``, then the grid is solved.
         return grid

graphics/vector3_for_2d_rendering.py

@@ -97,6 +97,6 @@ def rotate(
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
-    print(f"{convert_to_2d(1.0, 2.0, 3.0, 10.0, 10.0) = }")
-    print(f"{rotate(1.0, 2.0, 3.0, 'y', 90.0) = }")
+    doctest.testmod(verbose=True)
+    print(f"convert_to_2d(1.0, 2.0, 3.0, 10.0, 10.0): {convert_to_2d(1.0, 2.0, 3.0, 10.0, 10.0)}")
+    print(f"rotate(1.0, 2.0, 3.0, 'y', 90.0): {rotate(1.0, 2.0, 3.0, 'y', 90.0)}")

maths/area.py

@@ -275,14 +275,14 @@ def area_rhombus(diagonal_1: float, diagonal_2: float) -> float:
     doctest.testmod(verbose=True)  # verbose so we can see methods missing tests
 
     print("[DEMO] Areas of various geometric shapes: \n")
-    print(f"Rectangle: {area_rectangle(10, 20) = }")
-    print(f"Square: {area_square(10) = }")
-    print(f"Triangle: {area_triangle(10, 10) = }")
-    print(f"Triangle: {area_triangle_three_sides(5, 12, 13) = }")
-    print(f"Parallelogram: {area_parallelogram(10, 20) = }")
-    print(f"Trapezium: {area_trapezium(10, 20, 30) = }")
-    print(f"Circle: {area_circle(20) = }")
+    print(f"Rectangle: {area_rectangle(10, 20)}")
+    print(f"Square: {area_square(10)}")
+    print(f"Triangle: {area_triangle(10, 10)}")
+    print(f"Triangle: {area_triangle_three_sides(5, 12, 13)}")
+    print(f"Parallelogram: {area_parallelogram(10, 20)}")
+    print(f"Trapezium: {area_trapezium(10, 20, 30)}")
+    print(f"Circle: {area_circle(20)}")
     print("\nSurface Areas of various geometric shapes: \n")
-    print(f"Cube: {surface_area_cube(20) = }")
-    print(f"Sphere: {surface_area_sphere(20) = }")
-    print(f"Rhombus: {area_rhombus(10, 20) = }")
+    print(f"Cube: {surface_area_cube(20)}")
+    print(f"Sphere: {surface_area_sphere(20)}")
+    print(f"Rhombus: {area_rhombus(10, 20)}")

maths/two_pointer.py

@@ -57,5 +57,5 @@ def two_pointer(nums: list[int], target: int) -> list[int]:
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
-    print(f"{two_pointer([2, 7, 11, 15], 9) = }")
+    doctest.testmod(verbose=True)
+    print(f"two_pointer([2, 7, 11, 15], 9): {two_pointer([2, 7, 11, 15], 9)}")

maths/two_sum.py

@@ -43,5 +43,5 @@ def two_sum(nums: list[int], target: int) -> list[int]:
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
-    print(f"{two_sum([2, 7, 11, 15], 9) = }")
+    doctest.testmod(verbose=True)
+    print(f"two_sum([2, 7, 11, 15], 9): {two_sum([2, 7, 11, 15], 9)}")

maths/ugly_numbers.py

@@ -51,4 +51,4 @@ def ugly_numbers(n: int) -> int:
     from doctest import testmod
 
     testmod(verbose=True)
-    print(f"{ugly_numbers(200) = }")
+    print(f"ugly_numbers(200): {ugly_numbers(200)}")

matrix/matrix_operation.py

@@ -167,9 +167,9 @@ def main():
     matrix_b = [[3, 4], [7, 4]]
     matrix_c = [[11, 12, 13, 14], [21, 22, 23, 24], [31, 32, 33, 34], [41, 42, 43, 44]]
     matrix_d = [[3, 0, 2], [2, 0, -2], [0, 1, 1]]
-    print(f"Add Operation, {add(matrix_a, matrix_b) = } \n")
+    print(f"Add Operation, {add(matrix_a, matrix_b)} \n")
     print(
-        f"Multiply Operation, {multiply(matrix_a, matrix_b) = } \n",
+        f"Multiply Operation, {multiply(matrix_a, matrix_b)} \n",
     )
     print(f"Identity: {identity(5)}\n")
     print(f"Minor of {matrix_c} = {minor(matrix_c, 1, 2)} \n")
@@ -180,5 +180,5 @@ def main():
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
+    doctest.testmod(verbose=True)
     main()

sorts/cocktail_shaker_sort.py

@@ -40,7 +40,7 @@ def cocktail_shaker_sort(unsorted: list) -> list:
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
+    doctest.testmod(verbose=True)
     user_input = input("Enter numbers separated by a comma:\n").strip()
     unsorted = [int(item) for item in user_input.split(",")]
-    print(f"{cocktail_shaker_sort(unsorted) = }")
+    print(f"{cocktail_shaker_sort(unsorted)}")

sorts/exchange_sort.py

@@ -23,5 +23,6 @@ def exchange_sort(numbers: list[int]) -> list[int]:
 
 if __name__ == "__main__":
     user_input = input("Enter numbers separated by a comma:\n").strip()
-    unsorted = [int(item) for item in user_input.split(",")]
+    unsorted = list([int(item) for item in user_input.split(",")])
+    list(unsorted)
     print(exchange_sort(unsorted))

sorts/insertion_sort.py

@@ -53,8 +53,8 @@ def insertion_sort(collection: list) -> list:
 if __name__ == "__main__":
     from doctest import testmod
 
-    testmod()
+    testmod(verbose=True)
 
     user_input = input("Enter numbers separated by a comma:\n").strip()
     unsorted = [int(item) for item in user_input.split(",")]
-    print(f"{insertion_sort(unsorted) = }")
+    print(f"{insertion_sort(unsorted)}")