input: Write a python function to read sales data from a CSV file and plot a bar chart using Matplotlib.
  assert callable(plot_sales_data)
  assert plot_sales_data('sales_data.csv') == None
output: import matplotlib.pyplot as plt
  import csv
  
  def plot_sales_data(file_path):
      products = []
      sales = []
  
      with open(file_path, mode='r') as file:
          csv_reader = csv.reader(file)
          next(csv_reader)  # Skip header
          for row in csv_reader:
              products.append(row[0])
              sales.append(int(row[1]))
  
      plt.figure(figsize=(10, 5))
      plt.bar(products, sales, color='blue')
      plt.xlabel('Products')
      plt.ylabel('Sales')
      plt.title('Sales Data')
      plt.show()