BuiltinHint: implement print (#476)

* add print array utils * add print_felt test * add print_dict * add missing semicolon --------- Co-authored-by: lanaivina <[email protected]>
keep-starknet-strange · Apr 15, 2024 · 0227e1a · 0227e1a
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diff --git a/cairo_programs/print_features/print_array.cairo b/cairo_programs/print_features/print_array.cairo
@@ -0,0 +1,20 @@
+%builtins range_check
+
+from starkware.cairo.common.alloc import alloc
+
+func main{range_check_ptr: felt}() {
+    let name = 0x4b4b5254;
+    let (arr: felt*) = alloc();
+    assert arr[0] = 1;
+    assert arr[1] = 2;
+    assert arr[2] = 3;
+    assert arr[3] = 4;
+    assert arr[4] = 5;
+    let arr_len = 5;
+    %{
+        print(bytes.fromhex(f"{ids.name:062x}").decode().replace('\x00',''))
+        arr = [memory[ids.arr + i] for i in range(ids.arr_len)]
+        print(arr)
+    %}
+    return();
+}