input: Write a function to compute the average salary of people from the dataset 'salary.csv'. The function should return the average salary as a float. If the file is empty, return 0.
  import csv
  
  def get_average_salary(filename):
    total = 0
    count = 0
  
    try:
      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
    except FileNotFoundError:
      return 0
    
    return total/count if count > 0 else 0
  
  assert get_average_salary('not_exist.csv')==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
  
    try:
      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
    except FileNotFoundError:
      return 0
    
    return total/count if count > 0 else 0