@ ProgramNode (location: (1,0)-(1,3))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,3))
    └── body: (length: 1)
        └── @ RangeNode (location: (1,0)-(1,3))
            ├── flags: ∅
            ├── left:
            │   @ IntegerNode (location: (1,0)-(1,1))
            │   └── flags: decimal
            ├── right: ∅
            └── operator_loc: (1,1)-(1,3) = ".."
