The function use to get the number of element in a dictionary is len.
<h3>What is a dictionary?</h3>
Dictionaries are used to store data values in key-value pairs. Dictionary are ordered.
Dictionary in python are express as follows:
my_dict = {"name": "Michael", "age": 28, "school": "Oxford"}
Therefore, the length of the element of the dictionary can be gotten using the len() function.
Hence,
print(len(my_dict)) will give you the length of the element.
learn more on dictionary here: brainly.com/question/14120893
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<span>Processor, Main Memory, I/O Modules, System Bus</span>
I believe the first three. 1 and 2 are safety precautions. 3 can help someone remember what the file is. For number 4, the computer will typically do that on its own but not as the exact file name. Usually by right clicking and looking under info it will show the size of the file.