使用pandas read_csv时的索引错误

name,age
Alice,25
Bob,30

import pandas as pd

df = pd.read_csv('data.csv')
print(df.iloc[2])  # 索引2超出了范围

import pandas as pd

df = pd.read_csv('data.csv')
if len(df) > 2:
    print(df.iloc[2])
else:
    print("Index out of range")

name,age
Alice,25
Bob,30

import pandas as pd

df = pd.read_csv('data.csv')
print(df['gender'])  # 列名'gender'不存在

import pandas as pd

df = pd.read_csv('data.csv')
if 'gender' in df.columns:
    print(df['gender'])
else:
    print("Column 'gender' does not exist")

name,age
Alice,25
Bob,30

import pandas as pd

df = pd.read_csv('data.csv', delimiter=';')  # 分隔符错误

import pandas as pd

df = pd.read_csv('data.csv', delimiter=',')  # 确保分隔符正确