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3 years ago

Ashton assigned a string value to a variable. Which program statement should he use?

Computers and Technology

1 answer:

Gwar [14]3 years ago

8 0

Answer:

C.) ang sagot

Explanation:

Sana na katulong ako

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When you use the Filter feature, what appears in each column label

Scrat [10]

<span>an arrow ..............................</span>

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4 years ago

Write a program that reads whitespace delimited strings (words) and an integer (freq). Then, the program outputs the strings fro

Lesechka [4]

Answer:

See explaination for the code

Explanation:

def wordsOfFrequency(words, freq):

d = {}

res = []

for i in range(len(words)):

if(words[i].lower() in d):

d[words[i].lower()] = d[words[i].lower()] + 1

else:

d[words[i].lower()] = 1

for word in words:

if d[word.lower()]==freq:

res.append(word)

return res

Note:

First a dictionary is created to keep the count of the lowercase form of each word.

Then, using another for loop, each word count is matched with the freq, if it matches, the word is appended to the result list res.

Finally the res list is appended.

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4 years ago

Suppose that the following elements are added in the specified order to an empty binary search tree: Lisa, Bart, Marge, Homer, M

Alecsey [184]

Answer:

Pre-order: Lisa, Bart, Homer, Flanders, Marge, Maggie, Smithers, Milhouse

In-order: Bart, Flanders, Homer, Lisa, Maggie, Marge, Milhouse, Smithers

Post-order: Flanders, Homer, Bart, Maggie, Milhouse, Smithers, Marge, Lisa

Explanation:

The required orders are mentioned.

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4 years ago

What is the importance of data validation, and how can user data entry errors be reduced or eliminated?

lisabon 2012 [21]

Incorrect data can lead to unexpected program execution results. Data entry errors can be reduced by only accepting valid input, e.g., if a number must be entered, alphabetic characters are ignored. After data validation, error messages can be prompted to the user, requiring him to enter the data again.

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4 years ago

Orphan record example?

Goryan [66]

Answer:

If we delete record number 15 in a primary table, but there's still a related table with the value of 15, we end up with an orphaned record. Here, the related table contains a foreign key value that doesn't exist in the primary key field of the primary table. This has resulted in an “orphaned record”.

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3 years ago