Loading...
More Python Posts
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))
# Function to multiply two matricesdef multiply_matrices(matrix1, matrix2):# Check if the matrices can be multipliedif len(matrix1[0]) != len(matrix2):print("Error: The number of columns in the first matrix must be equal to the number of rows in the second matrix.")return None# Create the result matrix filled with zerosresult = [[0 for _ in range(len(matrix2[0]))] for _ in range(len(matrix1))]# Perform matrix multiplicationfor i in range(len(matrix1)):for j in range(len(matrix2[0])):for k in range(len(matrix2)):result[i][j] += matrix1[i][k] * matrix2[k][j]return result# Example matricesmatrix1 = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]matrix2 = [[10, 11],[12, 13],[14, 15]]# Multiply the matricesresult_matrix = multiply_matrices(matrix1, matrix2)# Display the resultif result_matrix is not None:print("Result:")for row in result_matrix:print(row)
def when(predicate, when_true):return lambda x: when_true(x) if predicate(x) else xdouble_even_numbers = when(lambda x: x % 2 == 0, lambda x : x * 2)print(double_even_numbers(2)) # 4print(double_even_numbers(1)) # 1
import copybegining = [False,False,False,False,False,None,True,True,True,True,True]#False = black True = whiteits = [0]def swap(layout, step):layoutCopy = copy.deepcopy(layout)layoutCopy[(step[0]+step[1])], layoutCopy[step[1]] = layoutCopy[step[1]], layoutCopy[(step[0]+step[1])]return layoutCopydef isSolved(layout):for i in range(len(layout)):if(layout[i] == False):return (i >= (len(layout)/2))def recurse(layout, its, steps = []):if isSolved(layout):its[0] += 1print(layout,list(x[0] for x in steps))returnstep = Nonefor i in range(len(layout)):if(layout[i] == None):if(i >= 1): #If the empty space could have something to the leftif(layout[i - 1] == False):step = [-1,i]recurse(swap(layout,step), its, (steps+[step]))if(i > 1): #If the empty space could have something 2 to the leftif(layout[i - 2] == False):step = [-2,i]recurse(swap(layout,step), its, (steps+[step]))if(i < (len(layout)-1)): #If the empty space could have something to the rightif(layout[i + 1] == True):step = [1,i]recurse(swap(layout,step), its, (steps+[step]))if(i < (len(layout)-2)): #If the empty space could have something to the rightif(layout[i + 2] == True):step = [2,i]recurse(swap(layout,step), its, (steps+[step]))its[0] += 1#return Nonerecurse(begining,its,[])print(its[0])
import itertoolsdef compute_permutations(string):# Generate all permutations of the stringpermutations = itertools.permutations(string)# Convert each permutation tuple to a stringpermutations = [''.join(permutation) for permutation in permutations]return permutations# Prompt the user for a stringstring = input("Enter a string: ")# Compute permutationspermutations = compute_permutations(string)# Display the permutationsprint("Permutations:")for permutation in permutations:print(permutation)
print("test")