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My new branch #11650

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097ce6e
Character Stuffing in Computer Networks
harsheenkohli Oct 1, 2024
ccfe017
Named file according to guidelines
harsheenkohli Oct 1, 2024
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23 changes: 23 additions & 0 deletions computer_networks/char_stuffing.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
FLAG = '~'

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Ruff (INP001) 

computer_networks/char_stuffing.py:1:1: INP001 File `computer_networks/char_stuffing.py` is part of an implicit namespace package. Add an `__init__.py`.
ESC = '#'


def char_stuffing(s: str) -> str:
"""
Return the char stuffed message
>>> char_stuffing("abc")
"abc"
>>> char_stuffing("a#b#c")
"a##b##c"
"""
arr = [i for i in s]

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Ruff (C416) 

computer_networks/char_stuffing.py:13:11: C416 Unnecessary `list` comprehension (rewrite using `list()`)
for i in range(len(arr)):
if arr[i] == FLAG and not (i == 0 or i == len(arr) - 1):
arr[i] = ESC + arr[i]
elif arr[i] == ESC:
arr[i] += ESC
return ''.join(arr)


s = '~abc#~cde~ab~'
print(char_stuffing(s))
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