Commit 0040ad4

aydinomer00pre-commit-ci[bot]MaximSmolskiy

authored

Add butterfly pattern implementation (#12493)

* Add butterfly pattern implementation * Add butterfly pattern implementation * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Add finalized butterfly pattern implementation and test * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Delete graphics/test_butterfly_pattern.py * Update butterfly_pattern.py * Update butterfly_pattern.py * Update butterfly_pattern.py * Update butterfly_pattern.py * Update butterfly_pattern.py --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>

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- butterfly_pattern.py

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`‎graphics/butterfly_pattern.py`

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	`1`	`+def butterfly_pattern(n: int) -> str:`
	`2`	`+ """`
	`3`	`+ Creates a butterfly pattern of size n and returns it as a string.`
	`4`	`+`
	`5`	`+ >>> print(butterfly_pattern(3))`
	`6`	`+ * *`
	`7`	`+ `
	`8`	`+ *****`
	`9`	`+ `
	`10`	`+ * *`
	`11`	`+ >>> print(butterfly_pattern(5))`
	`12`	`+ * *`
	`13`	`+ `
	`14`	`+ * *`
	`15`	`+ ** **`
	`16`	`+ *********`
	`17`	`+ ** **`
	`18`	`+ * *`
	`19`	`+ `
	`20`	`+ * *`
	`21`	`+ """`
	`22`	`+ result = []`
	`23`	`+`
	`24`	`+ # Upper part`
	`25`	`+ for i in range(1, n):`
	`26`	`+ left_stars = "" i`
	`27`	`+ spaces = " " * (2 * (n - i) - 1)`
	`28`	`+ right_stars = "" i`
	`29`	`+ result.append(left_stars + spaces + right_stars)`
	`30`	`+`
	`31`	`+ # Middle part`
	`32`	`+ result.append("" (2 * n - 1))`
	`33`	`+`
	`34`	`+ # Lower part`
	`35`	`+ for i in range(n - 1, 0, -1):`
	`36`	`+ left_stars = "" i`
	`37`	`+ spaces = " " * (2 * (n - i) - 1)`
	`38`	`+ right_stars = "" i`
	`39`	`+ result.append(left_stars + spaces + right_stars)`
	`40`	`+`
	`41`	`+ return "\n".join(result)`
	`42`	`+`
	`43`	`+`
	`44`	`+if __name__ == "__main__":`
	`45`	`+ n = int(input("Enter the size of the butterfly pattern: "))`
	`46`	`+ print(butterfly_pattern(n))`

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Commit 0040ad4

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`‎graphics/butterfly_pattern.py`

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