check if null in python code example
Example 1: python - check for null values
df.isnull().sum()
Example 2: python if not null
#variable
var = "hello python"
#check is not null
if var is not NaN:
print('Var is not null')
df.isnull().sum()
#variable
var = "hello python"
#check is not null
if var is not NaN:
print('Var is not null')