How to use a variable with the function calculate () with ArcGIS API for Python

explocarto

<SPAN class="" style="background: #f1c40f; font-weight: bold; padding: 0px 6px;">calculate</SPAN>(where, calc_expression, sql_format='standard')

lst_country = ["country1","country2","country3"]

for country in lst lst_country:

      update_result = commune_flayer.calculate(where="nom = country", calc_expression={"field": "date_horaire", "value": provinces.attributes['date_horaire']})

Thanks

explocarto

<SPAN class="" style="color: #669900; border: 0px; font-weight: inherit;">'nom = "{}"'</SPAN><SPAN class="" style="color: #999999; border: 0px; font-weight: inherit;">.</SPAN>format<SPAN class="" style="color: #999999; border: 0px; font-weight: inherit;">(</SPAN>country<SPAN class="" style="color: #999999; border: 0px; font-weight: inherit;">)</SPAN>

It's good I finally found. It was necessary to declare this syntax

"nom = '{}'".format(country)

Thank you