Find the z-score using Python

A z-score is a numerical measurement that describes a value’s relationship to the mean of a group of values. The z-score is measured in standard deviations from the mean. If a score is 0, this means that the value is the same as the mean score. A score of 1 means that it is one standard deviation from the mean. Z-scores may be positive or negative: a positive z_score indicates the value is higher than the mean and a negative z-score…