python null
a = Nonepython - check for null values
df.isnull().sum()python if null
noneObj = type(None)()
print(NoneObj)
// Check if NoneObj is instance of NoneType class
print(NoneObj is None)
//If-Else example
if (error is not None):
result = error.decode()
else:
result = "Hurray ^_^"
print(result)Copyright © 2021 Codeinu
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