<|user|>
Exercise 4: Read toothpaste sales data of each month and show it using a scatter plot<|end|>
<|assistant|>
```python                                                                                                                                                                                                                                                                                                      
import pandas as pd
import matplotlib.pyplot as plt  

df = pd.read_csv("D:\\Python\\Articles\\matplotlib\\sales_data.csv")
monthList  = df ['month_number'].tolist()
toothPasteSalesData = df ['toothpaste'].tolist()
plt.scatter(monthList, toothPasteSalesData, label = 'Tooth paste Sales data')
plt.xlabel('Month Number')
plt.ylabel('Number of units Sold')
plt.legend(loc='upper left')
plt.title(' Tooth paste Sales data')
plt.xticks(monthList)
plt.grid(True, linewidth= 1, linestyle="--")
plt.show()                                                                                                                                                                                                                                                                                                             
```<|end|>
