Xác minh việc nạp dữ liệu

def ____(____, ____, ____):
  # Takes a dataframe and compares record and column counts to input
  # Message to return if the critera below aren't met
  message = 'Validation Failed'
  # Check number of records
  if num_records == df.____():
    # Check number of columns
    if num_columns == ____(df.____):
      # Success message
      message = ____
  return message

# Print the data validation message
print(check_load(df, 5000, 74))