input: Write a python function to load a CSV file and return the first 5 rows.
  assert load_csv_first5('data.csv').equals(pd.read_csv('data.csv').head(5))
  assert load_csv_first5('data2.csv').equals(pd.read_csv('data2.csv').head(5))
  assert load_csv_first5('data3.csv').equals(pd.read_csv('data3.csv').head(5))
output: import pandas as pd
  
  def load_csv_first5(file_path):
      df = pd.read_csv(file_path)
      return df.head(5)