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Nodes and Trees

Nov 18, 2022AustinLeath
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my_list = [1, 2, 3, 4, 5]
removed_element = my_list.pop(2) # Remove and return element at index 2
print(removed_element) # 3
print(my_list) # [1, 2, 4, 5]
last_element = my_list.pop() # Remove and return the last element
print(last_element) # 5
print(my_list) # [1, 2, 4]

Create a Pascal’s Triangle

May 31, 2023CodeCatch

0 likes • 1 view

def generate_pascals_triangle(num_rows):
triangle = []
for row in range(num_rows):
# Initialize the row with 1
current_row = [1]
# Calculate the values for the current row
if row > 0:
previous_row = triangle[row - 1]
for i in range(len(previous_row) - 1):
current_row.append(previous_row[i] + previous_row[i + 1])
# Append 1 at the end of the row
current_row.append(1)
# Add the current row to the triangle
triangle.append(current_row)
return triangle
def display_pascals_triangle(triangle):
for row in triangle:
for number in row:
print(number, end=" ")
print()
# Prompt the user for the number of rows
num_rows = int(input("Enter the number of rows for Pascal's Triangle: "))
# Generate Pascal's Triangle
pascals_triangle = generate_pascals_triangle(num_rows)
# Display Pascal's Triangle
display_pascals_triangle(pascals_triangle)

Sort a List of Strings

Oct 15, 2022CodeCatch

1 like • 2 views

my_list = ["blue", "red", "green"]
#1- Using sort or srted directly or with specifc keys
my_list.sort() #sorts alphabetically or in an ascending order for numeric data
my_list = sorted(my_list, key=len) #sorts the list based on the length of the strings from shortest to longest.
# You can use reverse=True to flip the order
#2- Using locale and functools
import locale
from functools import cmp_to_key
my_list = sorted(my_list, key=cmp_to_key(locale.strcoll))

Size of tuple

Nov 19, 2022CodeCatch

0 likes • 3 views

import sys
# sample Tuples
Tuple1 = ("A", 1, "B", 2, "C", 3)
Tuple2 = ("Geek1", "Raju", "Geek2", "Nikhil", "Geek3", "Deepanshu")
Tuple3 = ((1, "Lion"), ( 2, "Tiger"), (3, "Fox"), (4, "Wolf"))
# print the sizes of sample Tuples
print("Size of Tuple1: " + str(sys.getsizeof(Tuple1)) + "bytes")
print("Size of Tuple2: " + str(sys.getsizeof(Tuple2)) + "bytes")
print("Size of Tuple3: " + str(sys.getsizeof(Tuple3)) + "bytes")

Check Armstrong Number

May 31, 2023CodeCatch

0 likes • 0 views

# Function to check Armstrong number
def is_armstrong_number(number):
# Convert number to string to iterate over its digits
num_str = str(number)
# Calculate the sum of the cubes of each digit
digit_sum = sum(int(digit) ** len(num_str) for digit in num_str)
# Compare the sum with the original number
if digit_sum == number:
return True
else:
return False
# Prompt user for a number
number = int(input("Enter a number: "))
# Check if the number is an Armstrong number
if is_armstrong_number(number):
print(number, "is an Armstrong number.")
else:
print(number, "is not an Armstrong number.")

Find Coin

Oct 4, 2023AustinLeath

0 likes • 10 views

weigh = lambda a,b: sum(b)-sum(a)
FindCoin = lambda A: 0 if (n := len(A)) == 1 else (m := n//3) * (w := 1 + weigh(A[:m], A[2*m:])) + FindCoin(A[m*w:m*(w+1)])
print(FindCoin([1,1,1,1,1,1,1,2,1]))