import pandas as pd

# df = pd.read_csv("avocado.csv")
df = pd.read_csv("id4106ip54.csv")
print(df.head())
print(df.tail())
df = pd.read_csv("id4106ip55.csv")
print(df.head())
print(df.tail())
df = pd.read_csv("id4106ip66.csv")
print(df.head())
print(df.tail())