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lara [203]
2 years ago
10

Write a program that reads a file that contains only integers, but some of the integers have embedded commas, as in 145,020. The

program should copy the information to a new file, removing any commas from the information. Do not change the number of values per line in the file.
Computers and Technology
1 answer:
PtichkaEL [24]2 years ago
4 0

Answer:

with open("integer_file.txt", "r") as file:

   book = file.read().strip()

   pages = book.split(" ")

   for page in pages:

       if "," in page:

           comma_rm = page.replace(",","")

           print(comma_rm)

       else:

           print(page)

Explanation:

The python program opens a text file (Assuming the file contains only integers but are in string form eg: 5 in '5' for string), reads the whole content of the file as a string, splits it to a list of strings and iterates through to remove commas in the number string and display the elements.

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The probability of successful transmissions through the entire path is (1 - k)²

for one transmission, the probility of success is (1 - k)²

for two transmissions, the probility of success is 2(1 - k)²(1 - (1-k)²)

for three transmissions, the probility of success is 3(1 - k)²(1 - (1-k)²)² and so on

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from (a) above, mean number of hops when transmitting a packet =  k² - 3k + 3

from (b) above, mean number of transmissions by a packet = 1/(1 - k)²

substituting: mean number of required packet =  k^{2}  - 3k + 3 * \frac{1}{(1 - k)^{2} }\\\\= \frac{k^{2} - 3k + 3 }{(1-k)^{2} }

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