If/else statement in arcgis

[المشرف العام]

I try to fill the fields with the condition if / else but it does not work.I do not know where is my mistake in the code.

def TextValue ( !Classe! ):if !Classe! == "Steppe arbustive" or !Classe! == "Steppe arbustive à arborée" or !Classe! == "Steppe arborée" or !Classe! == "Savane arbustive" or !Classe! == "Savane arbustive à arborée" or !Classe! == "Savane arborée à boisée" or !Classe! == "Savane boisée" or !Classe! == "foret galerie relictuelle" : return "Végétation naturelle"elif !Classe! == "Culture pluviale / jachère" or !Classe! == "Culture maraichère" : return "Zone de culture"elif !Classe! == "Cours d'eau" or !Classe!== "Mare" : return "Surface hydrique"CodeblockTextValue ( !Classe! )

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