<pre> 
#!/usr/bin/python3
#####################################################################################
# Create and use a shopping cart (sample code)
# This shopping cart does not use cookies, session variables, nor database
# A cart is created using appName_IPaddr
#####################################################################################
import cgi
import cgitb
import shopcartFunc                     #import custom shopCart functions

cgitb.enable()
 
print('Content-type: text/html \n')

appName = 'XYZ'                         #enter a unique application name or leave it XYZ

#-- Display Product list ------------------------------------------------------------------------
print("""
    &lt;html>
    &lt;head>
    &lt;title>Shopping Ecample&lt;/title>
    &lt;style>
        #table1 td       {border:2px solid black; width:120; background-color:lightgray; cursor:pointer} 
        #table1 td:hover {border-color:FF0000;}
        #table1 a        {color:black; text-decoration:none} 
        #table1 img      {height:120; width:120} 
        button           {width:110px; color:white; background-color:green; height:30px}
    &lt;/style> 
    &lt;/head>
    &lt;body bgcolor=lightyellow>
    &lt;h2>Shop From the List of Products Below&lt;/h2>
    &lt;br>
    &lt;fieldset style='width:650px'>
""")

#-- Below data should come from a database table ------------------------------------------

print("""
    &lt;table id=table1 >
    &lt;tr>
    &lt;td>&lt;a href=shopcart.py?item=Apples&price=1.49>  &lt;img src=img/Apples.jpg> &lt;br>Apples  $1.49&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Oranges&price=1.25> &lt;img src=img/Oranges.jpg>&lt;br>Oranges $1.25&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Peaches&price=1.99> &lt;img src=img/Peaches.jpg>&lt;br>Peaches $1.99&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Bananas&price=0.99> &lt;img src=img/Bananas.jpg>&lt;br>Bananas $0.99&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Pears&price=1.79>   &lt;img src=img/Pears.jpg>  &lt;br>Pears   $1.79&lt;/a>&lt;/td> 
    &lt;tr>
    &lt;td>&lt;a href=shopcart.py?item=Potatoes&price=0.99> &lt;img src=img/Potatoes.jpg> &lt;br>Potatoes  $0.99&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Tomatos&price=1.49>  &lt;img src=img/Tomatos.jpg>  &lt;br>Tomatos   $1.49&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Spinach&price=2.29>  &lt;img src=img/Spinach.jpg>  &lt;br>Spinach   $2.29&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Carrots&price=1.19>  &lt;img src=img/Carrots.jpg>  &lt;br>Carrots   $1.19&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Cucumbers&price=1.29>&lt;img src=img/Cucumbers.jpg>&lt;br>Cucumbers $1.29&lt;/a>&lt;/td> 
    &lt;tr>
    &lt;td>&lt;a href=shopcart.py?item=Milk&price=3.49>   &lt;img src=img/Milk.jpg>   &lt;br>Milk    $3.49&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Yogurt&price=1.49> &lt;img src=img/Yogurt.jpg> &lt;br>Yogurt  $1.49&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Cheese&price=5.99> &lt;img src=img/Cheese.jpg> &lt;br>Cheese  $5.99&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Juice&price=2.99>  &lt;img src=img/Juice.jpg>  &lt;br>Juice   $2.99&lt;/a>&lt;/td> 
    &lt;td>&lt;a href=shopcart.py?item=Cookies&price=6.99>&lt;img src=img/Cookies.jpg>&lt;br>Cookies $6.99&lt;/a>&lt;/td> 
    &lt;/table>
    &lt;/fieldset>
    &lt;button onclick="location.href='shopcheckout.py'"> Checkout &lt;/button>       &lt;!-- redirect to another page -->
""")

#-- Display Shopping Cart ---------------------------------------------------------------------                                                     #if option is view 

shopcartFunc.accessCart()                                           #access shopping cart (if any)
cartId    = shopcartFunc.getCartId()                                #get the cart id
cartItems = shopcartFunc.getCartItems()                             #get all items as a dictionary

if cartItems:    
    print(F"""&lt;h4>&lt;i>Cart Id:&lt;/i> {cartId} &lt;/h4> 
          &lt;table border=2 bgcolor=tan>
          &lt;tr bgcolor=cccccc>&lt;th>&lt;i>&lt;nobr>Item&lt;th width=500>&lt;i>Price & Quantity&lt;th>&lt;i>Delete&lt;/th>
    """)        
    for name in sorted(cartItems):                                  #loop thru the cart items
        print("&lt;tr>&lt;td>&lt;b>",name,"&lt;td width=500>",cartItems[name])  #print the item name & values
        print(F"&lt;td>&lt;a href=shopcart.py?opt=del&item={name}>")      #anchor to current script
        print("&lt;img src=img/delete.png height=20 width=35>&lt;/a>")    #add delete button

    print("&lt;/table>")
else:    
    print("&lt;h4>Your Shopping Cart is Empty&lt;/h4>")
    
    
#=== link to see the python code =================================================
import os, sys
sys.path.insert(0,'/home/s/sultans/web/python/demo')
import zCode                          #import func to display the Python code
filename = os.path.abspath(__file__)  #get absolute file name 
zCode.display(filename)               #call it
#=================================================================================</pre>