feat: add pattern printing (pyramid, inverted pyramid, diamond) [#13460]

Author: sonianuj287

other/pyramid_patterns.py

@@ -0,0 +1,57 @@
+"""
+patterns/pyramid_patterns.py
+
+Pattern Printing Examples:
+- Pyramid
+- Inverted Pyramid
+- Diamond
+
+Demonstrates loops, functions, and conditionals for beginners.
+
+Example:
+>>> pyramid(3)
+  *
+ ***
+*****
+
+>>> inverted_pyramid(3)
+*****
+ ***
+  *
+
+>>> diamond(3)
+  *
+ ***
+*****
+ ***
+  *
+"""
+
+# No import needed for None type annotation
+
+def pyramid(n: int) -> None:
+    """Prints a pyramid pattern of height n."""
+    for i in range(n):
+        print(" " * (n - i - 1) + "*" * (2 * i + 1))
+
+
+def inverted_pyramid(n: int) -> None:
+    """Prints an inverted pyramid pattern of height n."""
+    for i in range(n - 1, -1, -1):
+        print(" " * (n - i - 1) + "*" * (2 * i + 1))
+
+
+def diamond(n: int) -> None:
+    """Prints a diamond pattern of height n."""
+    pyramid(n)
+    for i in range(n - 2, -1, -1):
+        print(" " * (n - i - 1) + "*" * (2 * i + 1))
+
+
+if __name__ == "__main__":
+    print("Pyramid:")
+    pyramid(5)
+    print("\nInverted Pyramid:")
+    inverted_pyramid(5)
+    print("\nDiamond:")
+    diamond(5)