Explaining In-Order Traversal: Output

[Moving to left node: 2]
[Pushing current node to Stack: [4] ]

[Moving to left node: 1]
[Pushing current node to Stack: [4, 2] ]

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 1] ]

[Popping current node from Stack: [4, 2] ]
[Returned to previous node: 1]

PRINT: 1

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 1] ]

[Popping current node from Stack: [4, 2] ]
[Returned to previous node: 2]

PRINT: 2

[Moving to right node: 3]
[Pushing current node to Stack: [4, 2, 2] ]

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 3] ]

[Popping current node from Stack: [4, 2, 2] ]
[Returned to previous node: 3]

PRINT: 3

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 3] ]

[Popping current node from Stack: [4, 2, 2] ]
[Returned to previous node: 4]

PRINT: 4

[Moving to right node: 6]
[Pushing current node to Stack: [4, 2, 2, 4] ]

[Moving to left node: 5]
[Pushing current node to Stack: [4, 2, 2, 4, 6] ]

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 4, 6, 5] ]

[Popping current node from Stack: [4, 2, 2, 4, 6] ]
[Returned to previous node: 5]

PRINT: 5

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 4, 6, 5] ]

[Popping current node from Stack: [4, 2, 2, 4, 6] ]
[Returned to previous node: 6]

PRINT: 6

[Moving to right node: 7]
[Pushing current node to Stack: [4, 2, 2, 4, 6, 6] ]

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 4, 6, 6, 7] ]

[Popping current node from Stack: [4, 2, 2, 4, 6, 6] ]
[Returned to previous node: 7]

PRINT: 7

[Moving to node: None]
[Pushing current node to Stack: [4, 2, 2, 4, 6, 6, 7] ]