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Finger [1]
3 years ago
6

Write Python code to save the data to a MongoDB collection:Import json module to parse JSON dataImport MongoClient from pymongo

to use MongoDBCreate a loop to iterate through the variable with data from Twitter, and for each tweet:Parse these related values: id, text, created_at, user’s screen_name, retweet_count, favorite_count, lang.Use MongoDB’s insert method to add the parsed tweet values to MongoDB collection;Write Python code to query the database:Use find method to search for tweets with lang="en";Use the aggregate method with $sum to compute the total retweets;Use the aggregate method with $count and $group to count the number of tweets by each user (screen_name);
Computers and Technology
1 answer:
Zigmanuir [339]3 years ago
8 0

Answer:

Explanation:

The objective of this task is to compute a program that involves the usage of Python code to save the data to MongoDB and to query  the database.

Due to the error that occur which makes me to be unable to submit this answer, I've created a word document instead and the attached file can be found below.

Thanks!

Download docx
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3) An algorithm has a run time of O(nk ) for some integer k. On an input of size 500, the algorithm takes 16 seconds to run. On
lukranit [14]

Answer:

The value of k is 4

Explanation:

Solution

Given that:

k = integer

Input size = 500

The algorithm takes a run of = 16 seconds

Input size = 750

The algorithm takes a run of = 81 seconds

Now,

We have to determine the value of k

The equation is shown below:

(500)^k /16 = (750) ^k /81

Thus

(750/500)^ k = 81/16

= (3/2)^k

=(3/2)^ 4

k is = 4

6 0
3 years ago
In chapter 3, we discussed syntax and semantics, in general there are two types of grammars for programming languages, regular a
WARRIOR [948]

Answer:

Lexical rules that are defined in case of regular grammar are simple and the notation is quite easy to understand.

Regular expression are useful for defining constructs of identifiers or constants. e.g. a|b etc.

In the case of context-free, grammar is not simple and deals with the productions.

Context-free are useful in describing the nested constructs like if-else etc which are not defined by regular expressions.

These produce a higher level of reliability as it provides a medium for generating syntactical as well as semantic data. The grammar is context-free is a little complex.

Explanation:

8 0
3 years ago
Define a function dice(n) that returns the sum of a random roll of n 6-sided dice. Example output in photo. Thank you
leonid [27]

Answer:

code (in python) is in the explanation

Explanation:

import random

def dice(n):

   count = 1

   t = list()

   while count <= n:

       i = random.randint(1,6)

       t.append(i)

       count += 1

   print(sum(t))

Hope this helps!

6 0
3 years ago
Zenmap's topology tab displays a __________ that shows the relative size and connection type of all discovered ip hosts.
VladimirAG [237]
<span>Zenmap's topology tab displays a "Bubble Chart" that shows the relative size and connection type of all discovered IP hosts.
</span>A kind of chart which shows three dimensional data is known as Bubble chart. It also can be seen as the variation of scatter plot where bubbles replace the data points.
4 0
3 years ago
Technology is defined as human ________________ in action that involves the generation of knowledge and processes to develop sys
Alenkasestr [34]

Answer:

Innovation:

Explanation:

Technology is defined as human innovation in action that involves the generation of knowledge and processes to develop systems that solve problems and extend human capabilities.

To innovate is to make changes in something established, especially by introducing new methods, ideas, or products.

5 0
2 years ago
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