test.csv
col1,col2,col3,col4 00,01,02,03 10,11,12,13 20,21,22,23 30,31,32,33 , , , , ,,
example1
import pandas as pd
df = pd.read_csv("test.csv")
print(df.isnull())
# col1 col2 col3 col4
#0 False False False False
#1 False False False False
#2 False False False False
#3 False False False False
#4 True False False True
#5 True False True True