Question

XML is the basis for many interfaces and web services. Consequently, reading and manipulating XML data is a common task in software development.
Description
An online plant distributor has recently experience a shortage in its supply of Anemone plants such that the price has increased by 20%. Their plant catalog is maintained in an XML file and they need a Python utility to find the plant by name, read the current price, change it by the specified percentage, and update the file. Writing this utility is your assignment.
Using Python's ElementTree XML API, create a Python program to perform the following tasks below. Note that your program's execution syntax must be as follows:
python xmlparse.py plant_catalog.xml plantName percentChange
1. Using ElementTree, read in this assignments XML file plant_catalog.xml specified by a command line parameter as shown above.
2. Find the plant by the name passed in as an argument on the command line (plantName above).
3. Once found, read the current price and adjust it by the command line argument percentChange. Note that this value could be anything in the range of -90 < percentChange < 100.
For example, if you run your script as follows:
python plant_catalog.xml "Greek Valerian" -20
with the original XML containing:

Greek Valerian
Polemonium caeruleum
Annual
Shade
4.36
071499

The resulting file should contain:

Greek Valerian
Polemonium caeruleum
Annual
Shade
3.48
071499

Note: You may reduce the precision of the calculation if you wish but it isn't required.

Answer 1

Answer:

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Explanation: