class_dist_employee_data.py

# Get number of positve and negative examples
pos = df[df["left"] == 1].shape[0]
neg = df[df["left"] == 0].shape[0]
print("Positive examples = {}".format(pos))
print("Negative examples = {}".format(neg))
print("Proportion of positive to negative examples = {:.2f}%".format((pos / neg) * 100))
sns.countplot(df["left"])
plt.xticks((0, 1), ["Didn't leave", "Left"])
plt.xlabel("Left")
plt.ylabel("Count")
plt.title("Class counts");

Added class_dist_employee_data.py