Right Pascal Alphabet Pattern in Python
In this example, Below Python function `right_pascal_triangle` generates a right-angled Pascal’s Triangle pattern using uppercase letters. It consists of ascending and descending parts, printing spaces and characters in a specific pattern. The code sets the row count to 7 and calls the function to produce the pattern.
Python3
#define the function def right_pascal_triangle(rows): #prints ascending part for i in range ( 1 , rows + 1 ): #prints spaces print ( " " * (rows - i), end = "") #prints alphabets for j in range ( 1 , i + 1 ): print ( chr ( 64 + j), end = "") print () #prints descending part for i in range (rows - 1 , 0 , - 1 ): #prints spaces print ( " " * (rows - i), end = "") #prints alphabets for j in range ( 1 , i + 1 ): print ( chr ( 64 + j), end = "") print () #rows to be spanned n = 7 #call the function right_pascal_triangle(n) |
A AB ABC ABCD ABCDE ABCDEF ABCDEFG ABCDEF ABCDE ABCD ABC AB A
Space Complexity: O(1)
Time Complexity: O(n^2)
Alphabet Pattern Programs in Python
Patterns are a valuable exercise for enhancing logical thinking and coding skills. Using loops in Python, we can create diverse alphabetical patterns like stars, squares, pyramids, and triangles. In this discussion, we’ll explore Python programs for printing these patterns using simple iteration and for loops. Before printing Python patterns, know ASCII: each alphabet corresponds to an ASCII value (e.g., A is 65). Uppercase (A-Z) values range from 65 to 90, and lowercase (a-z) from 97 to 122. Use `chr()` to print an alphabet via its ASCII value, like ‘A’ with ASCII 65.
What is an Alphabet Pattern?
An Alphabetic pattern is a visual arrangement of alphabets, whether uppercase or lowercase, presented in an aesthetically pleasing manner. These patterns can take on various predefined shapes such as squares, triangles, or even stars. Moreover, the customization of these patterns extends to choosing how they are filled.