GeezerVison

Hello everyone! Welcome back to programminginpython.com. I am continuing with this pattern programming series, here I will tell you how to print the pattern of the letter W. In the previous tutorials, I have shown you the patterns of letters A to V. Here it’s now time for Pattern W. You can check the complete series on letter patterns here.

Program on Github

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Print Pattern W – Code Visualization

Task:

Python program to print the pattern of letter W

Approach:

Read an input integer for asking the size of the letter using input()
Check if the entered number is greater than 8,
- if yes, call the function print_pattern()
- else, show a message to enter a number that is greater or equal to 8
print_pattern()
- here we only do two things, print star(*) and print space( ), just writing conditions so the pattern of *‘s and ‘s will display the pattern U
- following are 4 conditions for printing *’s
  We have 2 loops, an outer loop() for rows, and an inner loop for columns.
- ```
# Outer for loop
    for row in range(n): 
        # Inner for loop 
        for column in range(n):
```
  - - First Column
      - column == 0
    - Last Column
      - column == n-1
    - Print right-slanting line
      - row == column and row >= n//2
    - Print left-slanting line
      - row+column == n-1 and row >= n//2
    - print ` ` in remaining all cases.

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Program on Github

Program:

__author__ = 'Avinash'


# Python3 program to print alphabet pattern W

# *                           *
# *                           *
# *                           *
# *                           *
# *                           *
# *                           *
# *                           * 
# *             *             *
# *           *   *           *
# *         *       *         *
# *       *           *       *
# *     *               *     *
# *   *                   *   *
# * *                       * *
# *                           *

def print_pattern(n):
    for row in range(n):
        for column in range(n):
            if(
                    # first column
                    (column == 0) or

                    # last column
                    (column == n-1) or

                    # left slanting line
                    (row+column == n-1 and row >= n//2) or

                    # right slanting line
                    (row == column and row >= n//2)
            ):
                print("*", end=" ")
            else:
                print(" ", end=" ")
        print()


size = int(input("Enter any size: \t"))

if size < 8:
    print("Enter a number minimum of 8")
else:
    print_pattern(size)

Output:

Python Program to print pattern of letter W

Program on Github

Also make sure you look at all the other letter patterns below:

GeezerVison

Print Pattern W – Code Visualization

Task:

Approach:

Program:

Output:

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