the value ‘varname1’ must be ^op^ the value ‘varname2

Compares the value in variable v1 to the value in variable v2

Args:
- varname1 (_type_): Left-hand-side variable reference
- op (_type_): ‘equal to’ / ‘not equal to’ / ‘greater than’ / ‘less than’ / ‘greater than or equal to’ / ‘less than or equal to’
- varname2 (_type_): Right-hand-side variable reference

Usages: