(CommandList
  children: [
    (Sentence
      child: 
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:version) op:Equal rhs:{(DQ (0.01))} spids:[4])]
          spids: [4]
        )
      terminator: <Op_Semi ";">
    )
    (FuncDef
      name: fibonacci
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:n)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Number 1>
                        suffix_op: 
                          (StringUnary
                            op_id: VTest_ColonQMark
                            arg_word: 
                              {
                                (
"If you want the nth fibonacci number, you must supply n as the first parameter."
                                )
                              }
                          )
                        spids: [19 23]
                      )
                    }
                  spids: [18]
                )
              ]
              spids: [18]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: (C {(Lit_Other "[")} {($ VSub_Name "$n")} {(-le)} {(1)} {(Lit_Other "]")})
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [(C {(echo)} {($ VSub_Name "$n")})]
                  spids: [-1 39]
                )
              ]
              else_action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:l)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [
                                  (C {(fibonacci)} 
                                    {
                                      (ArithSubPart
                                        anode: 
                                          (ArithBinary
                                            op_id: Arith_Minus
                                            left: (ArithVarRef name:n)
                                            right: (ArithWord w:{(Lit_Digits 1)})
                                          )
                                        spids: [54 59]
                                      )
                                    }
                                  )
                                ]
                              )
                            left_token: <Left_Backtick "`">
                            spids: [51 60]
                          )
                        }
                      spids: [50]
                    )
                  ]
                  spids: [50]
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:r)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [
                                  (C {(fibonacci)} 
                                    {
                                      (ArithSubPart
                                        anode: 
                                          (ArithBinary
                                            op_id: Arith_Minus
                                            left: (ArithVarRef name:n)
                                            right: (ArithWord w:{(Lit_Digits 2)})
                                          )
                                        spids: [67 72]
                                      )
                                    }
                                  )
                                ]
                              )
                            left_token: <Left_Backtick "`">
                            spids: [64 73]
                          )
                        }
                      spids: [63]
                    )
                  ]
                  spids: [63]
                )
                (C {(echo)} 
                  {
                    (ArithSubPart
                      anode: 
                        (ArithBinary
                          op_id: Arith_Plus
                          left: (ArithVarRef name:l)
                          right: (ArithVarRef name:r)
                        )
                      spids: [78 85]
                    )
                  }
                )
              ]
              spids: [47 88]
            )
          ]
          spids: [15]
        )
      spids: [11 14]
    )
    (ForEach
      iter_name: i
      iter_words: [{(1)} {(2)}]
      do_arg_iter: False
      body: 
        (DoGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:result)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: (CommandList children:[(C {(fibonacci)} {($ VSub_Name "$i")})])
                        left_token: <Left_CommandSub "$(">
                        spids: [107 111]
                      )
                    }
                  spids: [106]
                )
              ]
              spids: [106]
            )
            (C {(echo)} {(DQ ("i=") ($ VSub_Name "$i") (" result=") ($ VSub_Name "$result"))})
          ]
          spids: [103 123]
        )
      spids: [98 -1]
    )
  ]
)