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integer to roman numeral

Nov 19, 2022CodeCatch
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More Python Posts

Palindrome checker

Nov 19, 2022CodeCatch

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# function which return reverse of a string
def isPalindrome(s):
return s == s[::-1]
# Driver code
s = "malayalam"
ans = isPalindrome(s)
if ans:
print("Yes")
else:
print("No")

check prop lambda

Nov 19, 2022CodeCatch

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def check_prop(fn, prop):
return lambda obj: fn(obj[prop])
check_age = check_prop(lambda x: x >= 18, 'age')
user = {'name': 'Mark', 'age': 18}
check_age(user) # True

Remove numbers from files

Mar 26, 2023AustinLeath

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import os
# Get the current directory
current_dir = os.getcwd()
# Loop through each file in the current directory
for filename in os.listdir(current_dir):
# Check if the file name starts with a number followed by a period and a space
if filename[0].isdigit() and filename[1] == '.' and filename[2] == ' ':
# Remove the number, period, and space from the file name
new_filename = filename[3:]
# Rename the file
os.rename(os.path.join(current_dir, filename), os.path.join(current_dir, new_filename))

return maximum

Nov 19, 2022CodeCatch

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def max_n(lst, n = 1):
return sorted(lst, reverse = True)[:n]
max_n([1, 2, 3]) # [3]
max_n([1, 2, 3], 2) # [3, 2]

Bitwise Lambda Overflow Calculations

Aug 12, 2024AustinLeath

0 likes • 5 views

magnitude = lambda bits: 1_000_000_000_000_000_000 % (2 ** bits)
sign = lambda bits: -1 ** (1_000_000_000_000_000_000 // (2 ** bits))
print("64 bit sum:", magnitude(64) * sign(64))
print("32 bit sum:", magnitude(32) * sign(32))
print("16 bit sum:", magnitude(16) * sign(16))

key of minimum value

Nov 19, 2022CodeCatch

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def key_of_min(d):
return min(d, key = d.get)
key_of_min({'a':4, 'b':0, 'c':13}) # b