Show annotation on the barplot in seaborn library (Python)

show_annotation.py

# ****************SHOW ANNOTATIONS in plt plot**********
def show_annotation(colName):
    # Add Anootations
    n_points = df.shape[0]
    col_count = df[colName].value_counts()
    locs, labels = plt.xticks() # Get the current tick locations and labels
	
    # Loop for through each pair of locations and labels.
    for loc, label in zip(locs, labels):
    count = col_count[int(label.get_text())]
    text  = '{:.2f}%'.format(100*count/n_points)
    plt.text(loc, count-50, text, ha='center', color='darkblue')