Python Program to print pattern of letter H

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 H. In the previous tutorials, I have shown you the patterns of letters A to G. Here it’s now time for Pattern H. You can check the complete series on letter patterns here.

Program on Github

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Print Pattern H – Code Visualization

Task:

Python program to print the pattern of letter H

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 which 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 H
  • following are 3 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):

      Print first and last column

      (column == 0 or column == n-1)

      Print middle row

      (row == n //2 )

  • print ‘  ‘ in remaining all cases.

Program on GitHub

Program:

__author__ = 'Avinash'


# Python3 program to print alphabet pattern H

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


def print_pattern(n):
    # Outer for loop for number of rows
    for rows in range(n):

        # Inner for loop columns
        for columns in range(n):

            # prints first and last column
            if ((columns == 0 or columns == n-1) or
               # prints middle row
                (rows == n // 2)
            ):
                print("*", end=" ")
            else:
                print(" ", end=" ")
        print()


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

if size < 8:
    print("Enter a size greater than 8")
else:
    print_pattern(size)

Output:

Program on GitHub

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