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integer to roman numeral

Nov 19, 2022CodeCatch
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return multiple values from a function

Jun 1, 2023CodeCatch

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def calculate_values():
value1 = 10
value2 = 20
return value1, value2
result1, result2 = calculate_values()
print("Result 1:", result1)
print("Result 2:", result2)

Return Letter Combinations

Nov 18, 2022AustinLeath

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# @return a list of strings, [s1, s2]
def letterCombinations(self, digits):
if '' == digits: return []
kvmaps = {
'2': 'abc',
'3': 'def',
'4': 'ghi',
'5': 'jkl',
'6': 'mno',
'7': 'pqrs',
'8': 'tuv',
'9': 'wxyz'
}
return reduce(lambda acc, digit: [x + y for x in acc for y in kvmaps[digit]], digits, [''])

Plotting Fibonacci

Nov 19, 2022CodeCatch

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# Python program for Plotting Fibonacci
# spiral fractal using Turtle
import turtle
import math
def fiboPlot(n):
a = 0
b = 1
square_a = a
square_b = b
# Setting the colour of the plotting pen to blue
x.pencolor("blue")
# Drawing the first square
x.forward(b * factor)
x.left(90)
x.forward(b * factor)
x.left(90)
x.forward(b * factor)
x.left(90)
x.forward(b * factor)
# Proceeding in the Fibonacci Series
temp = square_b
square_b = square_b + square_a
square_a = temp
# Drawing the rest of the squares
for i in range(1, n):
x.backward(square_a * factor)
x.right(90)
x.forward(square_b * factor)
x.left(90)
x.forward(square_b * factor)
x.left(90)
x.forward(square_b * factor)
# Proceeding in the Fibonacci Series
temp = square_b
square_b = square_b + square_a
square_a = temp
# Bringing the pen to starting point of the spiral plot
x.penup()
x.setposition(factor, 0)
x.seth(0)
x.pendown()
# Setting the colour of the plotting pen to red
x.pencolor("red")
# Fibonacci Spiral Plot
x.left(90)
for i in range(n):
print(b)
fdwd = math.pi * b * factor / 2
fdwd /= 90
for j in range(90):
x.forward(fdwd)
x.left(1)
temp = a
a = b
b = temp + b
# Here 'factor' signifies the multiplicative
# factor which expands or shrinks the scale
# of the plot by a certain factor.
factor = 1
# Taking Input for the number of
# Iterations our Algorithm will run
n = int(input('Enter the number of iterations (must be > 1): '))
# Plotting the Fibonacci Spiral Fractal
# and printing the corresponding Fibonacci Number
if n > 0:
print("Fibonacci series for", n, "elements :")
x = turtle.Turtle()
x.speed(100)
fiboPlot(n)
turtle.done()
else:
print("Number of iterations must be > 0")

Bogo Sort

Nov 19, 2022CodeCatch

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# Python program for implementation of Bogo Sort
import random
# Sorts array a[0..n-1] using Bogo sort
def bogoSort(a):
n = len(a)
while (is_sorted(a)== False):
shuffle(a)
# To check if array is sorted or not
def is_sorted(a):
n = len(a)
for i in range(0, n-1):
if (a[i] > a[i+1] ):
return False
return True
# To generate permuatation of the array
def shuffle(a):
n = len(a)
for i in range (0,n):
r = random.randint(0,n-1)
a[i], a[r] = a[r], a[i]
# Driver code to test above
a = [3, 2, 4, 1, 0, 5]
bogoSort(a)
print("Sorted array :")
for i in range(len(a)):
print ("%d" %a[i]),

Convert Decimal to Binary and Hexadecimal

May 31, 2023CodeCatch

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# Prompt user for a decimal number
decimal = int(input("Enter a decimal number: "))
# Convert decimal to binary
binary = bin(decimal)
# Convert decimal to hexadecimal
hexadecimal = hex(decimal)
# Display the results
print("Binary:", binary)
print("Hexadecimal:", hexadecimal)

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))