I don't see where you have described your data or provided any example inputs and desired outputs.
If the names follow a pattern. Like VAR1, VAR2, .... VAR203 then you can use a variable list, like var1-var203.
Also if you restructure your data so that you have the names in the value of a variable instead as the name of the variable then the code does not change when the data changes.
So if you have a dataset with multiple variables, say :
ID,DEVICE1,DEVICE2,BANGLADESH
1,Y,N,Y
2,N,Y,Y
You can transpose it to instead have multiple observations:
ID,NAME,VALUE
1,DEVICE1,Y
1,DEVICE2,N
1,BANGLADESH,Y
2,DEVICE1,N
2,DEVICE2,Y
2,BANGLADESH,N
Now you have hundreds of values of the new NAME variable without it causing any change to the code you use to reference it.
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