how to read first column from csv file in python code example

Example 1: how to read first column of csv intro a list python

with open("mylist.csv") as f:
    list2 = [row.split()[0] for row in f]

Example 2: how to get csv file first row first column value in python

In [30]: df_test['Btime'].iloc[0]
Out[30]: 1.2