Commit 174ad08

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Added pascal_triangle.py

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	`1`	`+from permutations_combinations import PermutationsCombinations`
	`2`	`+`
	`3`	`+`
	`4`	`+class PascalTriangle:`
	`5`	`+ @staticmethod`
	`6`	`+ def pascal_triangle(rows: int) -> None:`
	`7`	`+ if not isinstance(rows, int):`
	`8`	`+ raise ArithmeticError("Number of rows in a Pascal's triangle cannot be non-integers.")`
	`9`	`+ elif rows < 0:`
	`10`	`+ raise ArithmeticError("Number of rows in a Pascal's triangle cannot be negative.")`
	`11`	`+ for n in range(rows):`
	`12`	`+ for r in range(rows - n + 1):`
	`13`	`+ print(end=" ")`
	`14`	`+ for r in range(n + 1):`
	`15`	`+ print(PermutationsCombinations.ncr(n, r), end=' ' if r != n else '')`
	`16`	`+ print()`
	`17`	`+`
	`18`	`+`
	`19`	`+if __name__ == '__main__':`
	`20`	`+ PascalTriangle.pascal_triangle(int(input("Enter the number of rows: ")))`

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