import pandas as pd
data={
    "姓名":["楚枫","楚月","楚狐宇"],
    "年龄":["16","17","18"],
    "性别":["男","女","男"]
}
df=pd.DataFrame(data)
#显示df
print(df)

#修改索引
df2=pd.DataFrame(data,index=[2,3,4])
#显示df
print(df2)

运行结果: