in panda how to check there are missing value in columns in the dataset code example

Example 1: count missing values by column in pandas

df.isna().sum()

Example 2: check for missing values by column in pandas

df.isna().any()

Example 3: number of columns with no missing values

null_cols = df.columns[df.isnull().all()]
df.drop(null_cols, axis = 1, inplace = True)