Python3 - product lists, Python 3

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#python 3.5.2

products_tbl={
'R1':{"ProductID":1,
     "ProductName":"Chai",
     "SupplierID":1,
     "CategoryID":1,
     "QuantityPerUnit":"10 boxes x 20 bags",
     "UnitPrice":18.0000,
     "UnitsInStock":39,
     "UnitsOnOrder":0,
     "ReorderLevel":10,
     "Discontinued":False
     },
'R2':{"ProductID":2,
     "ProductName":"Chang",
     "SupplierID":1,
     "CategoryID":1,
     "QuantityPerUnit":"24 - 12 oz bottles",
     "UnitPrice":19.0000,
     "UnitsInStock":17,
     "UnitsOnOrder":40,
     "ReorderLevel":25,
     "Discontinued":False
     }
    }

# It's better to use tuple over lists if you don't want to perform any update/delete/add operations
# Tuples are faster and space efficient in comparison to lists
column_names = ("ProductName", "ProductID", "SupplierID", "CategoryID", "QuantityPerUnit", "UnitsInStock", "UnitsOnOrder", "ReorderLevel", "UnitPrice", "Discontinued")

print("Product Name\tProduct Id\tSupplier Id\tCategory Id\tQty Per Unit\tUnits In Stock\tUnits On Order\tRecord Level\tUnit Price\tDiscontinued")
print("---------------------------------------------------------------------------------------------------------------")

for key in products_tbl:
    for column_name in column_names:
        print(products_tbl[key][column_name], end="\t");

print()

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Absolute running time: 0.13 sec, cpu time: 0.1 sec, memory peak: 6 Mb, absolute service time: 0,14 sec