custom histogram in Python

df_diesel["bins"] = pd.cut(df_diesel['Price BGN'], [0,5000,10000,15000,20000,4000000])
ax = df_diesel["bins"].value_counts(normalize=True).plot.bar()
ax.bar_label(ax.containers[0], label_type='edge')
plt.xlabel('Price BGN')
plt.ylabel('Percentages')
plt.title("Diesel engines: Price Distribution")
plt.show()

#####################################################################################
plt.figure(figsize=(14, 8), dpi=100)
x = transform_df['Salary']
y = transform_df['Count']
plt.bar(x, y ,align='center') # A bar chart
plt.xlabel('Средна заплата')
plt.ylabel('Преброяване')
for i in range(len(y)):
    plt.hlines(y[i],0,x[i]) # Here you are drawing the horizontal lines
plt.title('Разпределение на обявите за свободни работни места към 7 октомври 2022')
plt.show()