diff --git a/flowchart-shopping-cart.png b/flowchart-shopping-cart.png
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diff --git a/pseudocode.txt b/pseudocode.txt
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--- /dev/null
+++ b/pseudocode.txt
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+START
+SHOW ListProduct 
+READ INPUT "choosen product"
+ADD choosen product To Cart
+IF "id product cart" IS NOT UNIQUE
+    THEN "number of product" of "id product cart" = +1
+ELSE 
+    MAKE NEW "id product cart"
+    THEN "number of product" of NEW "id product cart" = 1
+END
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