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Binary search algorithm

Nov 19, 2022CodeCatch
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More Python Posts

Read Dataset from excel file

Oct 7, 2022KETRICK

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import pandas as pd
x = pd.read_excel(FILE_NAME)
print(x)

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")

radians to degrees

Nov 19, 2022CodeCatch

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from math import pi
def rads_to_degrees(rad):
return (rad * 180.0) / pi
rads_to_degrees(pi / 2) # 90.0

LeetCode Flood Fill

Oct 15, 2022CodeCatch

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class Solution(object):
def floodFill(self, image, sr, sc, newColor):
R, C = len(image), len(image[0])
color = image[sr][sc]
if color == newColor: return image
def dfs(r, c):
if image[r][c] == color:
image[r][c] = newColor
if r >= 1: dfs(r-1, c)
if r+1 < R: dfs(r+1, c)
if c >= 1: dfs(r, c-1)
if c+1 < C: dfs(r, c+1)
dfs(sr, sc)
return image

Calculate Square Root

Nov 18, 2022AustinLeath

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# Python Program to calculate the square root
num = float(input('Enter a number: '))
num_sqrt = num ** 0.5
print('The square root of %0.3f is %0.3f'%(num ,num_sqrt))

print indices

Nov 18, 2022AustinLeath

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# List
lst = [1, 2, 3, 'Alice', 'Alice']
# One-Liner
indices = [i for i in range(len(lst)) if lst[i]=='Alice']
# Result
print(indices)
# [3, 4]