Convert a given nonnegative integer representing seconds into minutes and seconds. Use % and // operators in your solution.

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Given an integer print whether its “Negative”, “Positive” or “Zero”. Use if, elif and else in your solution.

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Take two arguments. First is a float and the second is a string. The second argument will be a keyword argument named unit with the default value "c". Another possible value of unit is "f". If unit is "c", take the first argument to be degrees Celsius and convert to degrees Fahrenheit. Act accordingly if unit is “f”. Your function should return, rather than print, the result.

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Take three integers and return the second largest of them. You may not use any built-in functions like min, max, or sorted.

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