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Create signOfProduct.py

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	`1`	`+# Problem: Given an array arr[] of n integers,`
	`2`	`+# the integers can be positive, negative or 0`
	`3`	`+# return the sign of the product of the elements`
	`4`	`+# 1 : positive`
	`5`	`+# -1 : negative`
	`6`	`+# 0 : zero`
	`7`	`+`
	`8`	`+`
	`9`	`+def getSignOfProduct(array):`
	`10`	`+`
	`11`	`+ sign = 1`
	`12`	`+`
	`13`	`+ for num in array:`
	`14`	`+`
	`15`	`+ if num == 0:`
	`16`	`+ return 0`
	`17`	`+`
	`18`	`+ if num < 0:`
	`19`	`+ sign = -1 * sign`
	`20`	`+`
	`21`	`+ return sign`
	`22`	`+`
	`23`	`+`
	`24`	`+arr = [10, 45, -9, 3, -4, -5, 7, 32 , 0, 12 , 45, -1]`
	`25`	`+res = getSignOfProduct(arr)`
	`26`	`+print(arr, res)`
	`27`	`+`
	`28`	`+# Result: [10, 45, -9, 3, -4, -5, 7, 32, 0, 12, 45, -1] 0`

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