input: Write a function to compute the average salary from the dataset 'salary.csv'. If the dataset is empty, return 0.
  import csv
  
  def get_average_salary(filename):
    total = 0
    count = 0
  
    with open(filename, 'r') as csvfile:
      csvreader = csv.reader(csvfile)
      next(csvreader) # skip header
  
      # loop through the CSV rows
      for row in csvreader:
        total += int(row[1])
        count += 1
    
    return total/count if count > 0 else 0
  
  assert get_average_salary('salary.csv')==2000.0
  assert get_average_salary('empty_salary.csv')==0
output: def get_average_salary(filename):
    total = 0
    count = 0
  
    with open(filename, 'r') as csvfile:
      csvreader = csv.reader(csvfile)
      next(csvreader) # skip header
  
      # loop through the CSV rows
      for row in csvreader:
        total += int(row[1])
        count += 1
    
    return total/count if count > 0 else 0