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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+
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# Function to print upper half of diamond (pyramid)
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def floyd(n):
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"""
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Print the upper half of a diamond pattern with '*' characters.
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Args:
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n (int): Size of the pattern.
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Examples:
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>>> floyd(3)
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' * \\n * * \\n* * * \\n'
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>>> floyd(5)
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' * \\n * * \\n * * * \\n * * * * \\n* * * * * \\n'
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"""
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result = ""
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for i in range(n):
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for _ in range(n - i - 1): # printing spaces
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result += " "
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for _ in range(i + 1): # printing stars
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result += "* "
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result += "\n"
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return result
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# Function to print lower half of diamond (pyramid)
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def reverse_floyd(n):
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"""
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Print the lower half of a diamond pattern with '*' characters.
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Args:
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n (int): Size of the pattern.
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Examples:
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>>> reverse_floyd(3)
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'* * * \\n * * \\n * \\n '
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>>> reverse_floyd(5)
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'* * * * * \\n * * * * \\n * * * \\n * * \\n * \\n '
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"""
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result = ""
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for i in range(n, 0, -1):
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for _ in range(i, 0, -1): # printing stars
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result += "* "
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result += "\n"
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for _ in range(n - i + 1, 0, -1): # printing spaces
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result += " "
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return result
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# Function to print complete diamond pattern of "*"
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def pretty_print(n):
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"""
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Print a complete diamond pattern with '*' characters.
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Args:
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n (int): Size of the pattern.
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Examples:
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>>> pretty_print(0)
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' ... .... nothing printing :('
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>>> pretty_print(3)
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' * \\n * * \\n* * * \\n* * * \\n * * \\n * \\n '
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"""
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if n <= 0:
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return " ... .... nothing printing :("
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upper_half = floyd(n) # upper half
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lower_half = reverse_floyd(n) # lower half
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return upper_half + lower_half
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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