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November 30, 2021 00:10
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Determine product usage over the last 7 days
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| """ Determine product usage over the last 7 days """ | |
| import sys | |
| DATALIST = { | |
| "android": [0,1,1,0,1,1,1], | |
| "iphone": [0,1,1,0,1,1,0], | |
| "web": [0,0,0,1,1,1,1] | |
| } | |
| GROUPINGS = { | |
| "overall": ["android", "iphone", "web"], | |
| "mobile": ["android", "iphone"] | |
| } | |
| EXPECTED_RESULTS = { | |
| "overall": 6, | |
| "mobile": 5 | |
| } | |
| def last_7_days(datalist:dict) -> dict: | |
| """ | |
| Given a list of devices and the last 7 days of usage (1 = usage, 0 = no usage), | |
| return the number of users over the last 7 day period. | |
| Only count a user once per day per grouping. | |
| """ | |
| overall = 0 | |
| mobile = 0 | |
| for i in range(7): | |
| if datalist["android"][i] or datalist["iphone"][i] or datalist["web"][i]: | |
| overall += 1 | |
| if datalist["android"][i] or datalist["iphone"][i]: | |
| mobile += 1 | |
| results = { | |
| "overall": overall, | |
| "mobile": mobile | |
| } | |
| return results | |
| def main(): | |
| results_l7 = last_7_days(datalist=DATALIST) | |
| print(results_l7) | |
| assert results_l7 == EXPECTED_RESULTS | |
| if __name__ == "__main__": | |
| sys.exit(main()) |
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