[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

graphics/digital_differential_analyzer_line.py

@@ -1,11 +1,12 @@
 import matplotlib.pyplot as plt
 
+
 def digital_differential_analyzer_line(
     x1: int, y1: int, x2: int, y2: int
 ) -> list[tuple[int, int]]:
     """
     Draws a line between two points using the DDA algorithm.
-    
+
     Args:
     - x1, y1: Coordinates of the starting point.
     - x2, y2: Coordinates of the ending point.
@@ -16,7 +17,7 @@ def digital_differential_analyzer_line(
     >>> digital_differential_analyzer_line(1, 1, 4, 4)
     [(2, 2), (3, 3), (4, 4)]
     """
-    
+
     dx = x2 - x1
     dy = y2 - y1
     steps = max(abs(dx), abs(dy))
@@ -31,10 +32,12 @@ def digital_differential_analyzer_line(
         coordinates.append((int(round(x)), int(round(y))))
     return coordinates
 
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
-    
+
     x1 = int(input("Enter the x-coordinate of the starting point: "))
     y1 = int(input("Enter the y-coordinate of the starting point: "))
     x2 = int(input("Enter the x-coordinate of the ending point: "))