grouped_df.reset_index(inplace=True)
full_scored_idx = h3_idx.merge(grouped_df,on='h3',how='left').fillna(0)

full_scored_idx['score'].plot.hist(color='skyblue',edgecolor='black',bins=5,figsize=(10,8))
plt.title("Score Distibutin")
plt.xlabel("Score")
plt.ylabel("Frequency")
plt.grid(visible=True, linestyle='-.')
plt.show()