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.level_help_tab_statement_graph_code_example

example:

.level_help_tab_if_statement_1

%%statement branching-statement$if%% allows to run instructions only if a given condition is true.

.level_help_tab_if_statement_2

You could read the above example as "If the square to the right of me is a wall, then go to the left. Otherwise go to the right".

.level_help_tab_if_statement_3

%%statement branching-statement$if%% checks if the condition is true in which case it will run the instructions inside it (instructions to the right of the vertical gray line). Otherwise it will run the instructions inside the %%statement branching-statement$else%% if there is one.

.level_help_tab_if_statement_4

%%statement branching-statement$else%% is not initially part of the %%statement branching-statement$if%%. To make it appear, drag any instruction over the %%statement branching-statement$if%%.
If you remove all the instructions inside %%statement branching-statement$else%%, it will disappear.

.level_help_tab_if_statement_7

You could read the above example as "If the square to the right of me is a wall or if the square to the right of me is a hole, then go to the left".

.level_help_tab_jump_statement_1

%%statement branching-statement$jump%% allows to jump backward or forward in the program.

.level_help_tab_jump_statement_2

You could read the above example as "Step to the right infinitely many times".

.level_help_tab_jump_statement_4

The first line creates an "anchor" named "a". The third line says to jump back to this anchor.
You can choose any name you want for your anchors. Each jump must match a unique anchor.

.level_help_tab_jump_statement_5

%%statement branching-statement$jump%% is usually used with %%statement branching-statement$if%% to create loops which stop at a condition.