mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-18 01:00:15 +00:00
876087be99
* magicdiamondpattern doctest * remove start part --------- Co-authored-by: Harsha Kottapalli <skottapalli@microsoft.com>
80 lines
2.0 KiB
Python
80 lines
2.0 KiB
Python
# Python program for generating diamond pattern in Python 3.7+
|
|
|
|
|
|
# Function to print upper half of diamond (pyramid)
|
|
def floyd(n):
|
|
"""
|
|
Print the upper half of a diamond pattern with '*' characters.
|
|
|
|
Args:
|
|
n (int): Size of the pattern.
|
|
|
|
Examples:
|
|
>>> floyd(3)
|
|
' * \\n * * \\n* * * \\n'
|
|
|
|
>>> floyd(5)
|
|
' * \\n * * \\n * * * \\n * * * * \\n* * * * * \\n'
|
|
"""
|
|
result = ""
|
|
for i in range(n):
|
|
for _ in range(n - i - 1): # printing spaces
|
|
result += " "
|
|
for _ in range(i + 1): # printing stars
|
|
result += "* "
|
|
result += "\n"
|
|
return result
|
|
|
|
|
|
# Function to print lower half of diamond (pyramid)
|
|
def reverse_floyd(n):
|
|
"""
|
|
Print the lower half of a diamond pattern with '*' characters.
|
|
|
|
Args:
|
|
n (int): Size of the pattern.
|
|
|
|
Examples:
|
|
>>> reverse_floyd(3)
|
|
'* * * \\n * * \\n * \\n '
|
|
|
|
>>> reverse_floyd(5)
|
|
'* * * * * \\n * * * * \\n * * * \\n * * \\n * \\n '
|
|
"""
|
|
result = ""
|
|
for i in range(n, 0, -1):
|
|
for _ in range(i, 0, -1): # printing stars
|
|
result += "* "
|
|
result += "\n"
|
|
for _ in range(n - i + 1, 0, -1): # printing spaces
|
|
result += " "
|
|
return result
|
|
|
|
|
|
# Function to print complete diamond pattern of "*"
|
|
def pretty_print(n):
|
|
"""
|
|
Print a complete diamond pattern with '*' characters.
|
|
|
|
Args:
|
|
n (int): Size of the pattern.
|
|
|
|
Examples:
|
|
>>> pretty_print(0)
|
|
' ... .... nothing printing :('
|
|
|
|
>>> pretty_print(3)
|
|
' * \\n * * \\n* * * \\n* * * \\n * * \\n * \\n '
|
|
"""
|
|
if n <= 0:
|
|
return " ... .... nothing printing :("
|
|
upper_half = floyd(n) # upper half
|
|
lower_half = reverse_floyd(n) # lower half
|
|
return upper_half + lower_half
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import doctest
|
|
|
|
doctest.testmod()
|