@ ProgramNode (location: (1,0)-(3,5))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(3,5))
    └── body: (length: 2)
        ├── @ RangeNode (location: (1,0)-(1,6))
        │   ├── flags: exclude_end
        │   ├── left: ∅
        │   ├── right:
        │   │   @ IntegerNode (location: (1,3)-(1,6))
        │   │   ├── flags: decimal
        │   │   └── value: 100
        │   └── operator_loc: (1,0)-(1,3) = "..."
        └── @ RangeNode (location: (3,0)-(3,5))
            ├── flags: ∅
            ├── left: ∅
            ├── right:
            │   @ IntegerNode (location: (3,2)-(3,5))
            │   ├── flags: decimal
            │   └── value: 100
            └── operator_loc: (3,0)-(3,2) = ".."