Calculator
0 likes • Nov 19, 2022
Python
Loading...
More Python Posts
# 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 key_of_min(d):return min(d, key = d.get)key_of_min({'a':4, 'b':0, 'c':13}) # b
import subprocess #for the praat callsimport os #for ffmpeg and the pause call at the end#Even if we wanted all videos being rendered asynchronously, we couldn't see progress or errorsimport glob #for the ambiguous filesimport tempfileaudioFileDirectory = 'Audio Files'timeList = {}fileList = glob.glob(audioFileDirectory + '\\*.wav')pipeList = {}for fileName in fileList:arglist = ['Praat.exe', '--run', 'crosscorrelateMatch.praat', 'zeussound.wav', fileName, "0" , "300"]print(' '.join(arglist))pipe = subprocess.Popen(arglist, stdout=subprocess.PIPE)pipeList[fileName[len(audioFileDirectory)+1:-4]] = pipe #+1 because of back slash, -4 because .wav#for fileName, pipe in pipeList.items():# text = pipe.communicate()[0].decode('utf-8')# timeList[fileName] = float(text[::2])for fileName, pipe in pipeList.items():if float(pipe.communicate()[0].decode('utf-8')[::2]) > .0003: #.000166 is not a match, and .00073 is a perfect match. .00053 is a tested matcharglist = ['Praat.exe', '--run', 'crosscorrelate.praat', 'zeussound.wav', audioFileDirectory + '\\' + fileName + '.wav', "0" , "300"]print(' '.join(arglist))text = subprocess.Popen(arglist, stdout=subprocess.PIPE).communicate()[0].decode('utf-8')timeList[fileName] = float(text[::2])clipLength = 10for fileName, time in timeList.items():arglist = ['ffmpeg', '-i', '"'+fileName+'.mp4"', '-ss', str(time-clipLength), '-t', str(clipLength*2), '-acodec', 'copy' , '-vcodec', 'copy', '"ZEUS'+ fileName + '.mp4"']print(' '.join(arglist))os.system(' '.join(arglist))tempFile = tempfile.NamedTemporaryFile(delete=False)for fileName in glob.glob('ZEUS*.mp4'):tempFile.write(("file '" + os.path.realpath(fileName) + "'\n").encode());tempFile.seek(0)print(tempFile.read())tempFile.close()arglist = ['ffmpeg', '-safe', '0', '-f', 'concat', '-i', '"'+tempFile.name+'"', '-c', 'copy', 'ZeusMontage.mp4']print(' '.join(arglist))os.system(' '.join(arglist))os.unlink(tempFile.name) #Delete the temp file#print(timeList)os.system('PAUSE')
# Python program for implementation of Bogo Sortimport random# Sorts array a[0..n-1] using Bogo sortdef bogoSort(a):n = len(a)while (is_sorted(a)== False):shuffle(a)# To check if array is sorted or notdef is_sorted(a):n = len(a)for i in range(0, n-1):if (a[i] > a[i+1] ):return Falsereturn True# To generate permuatation of the arraydef 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 abovea = [3, 2, 4, 1, 0, 5]bogoSort(a)print("Sorted array :")for i in range(len(a)):print ("%d" %a[i]),
def get_ldap_user(member_cn, user, passwrd):'''Get an LDAP user and return the SAMAccountName'''#---- Setting up the Connection#account used for binding - Avoid putting these in version controlbindDN = str(user) + "@unt.ad.unt.edu"bindPass = passwrd#set some tuneables for the LDAP library.ldap.set_option(ldap.OPT_X_TLS_REQUIRE_CERT, ldap.OPT_X_TLS_ALLOW)#ldap.set_option(ldap.OPT_X_TLS_CACERTFILE, CACERTFILE)conn = ldap.initialize('ldaps://unt.ad.unt.edu')conn.protocol_version = 3conn.set_option(ldap.OPT_REFERRALS, 0)#authenticate the connection so that you can make additional queriestry:result = conn.simple_bind_s(bindDN, bindPass)except ldap.INVALID_CREDENTIALS:result = "Invalid credentials for %s" % usersys.exit()#build query in the form of (uid=user)ldap_query = '(|(displayName=' + member_cn + ')(cn='+ member_cn + ')(name=' + member_cn + '))'ldap_info = conn.search_s('DC=unt,DC=ad,DC=unt,DC=edu', ldap.SCOPE_SUBTREE, filterstr=ldap_query)sAMAccountName = str(ldap_info[0][1]['sAMAccountName']).replace("[b'", "").replace("']","")return sAMAccountName
def Fibonacci(n):if n<0:print("Incorrect input")# First Fibonacci number is 0elif n==1:return 0# Second Fibonacci number is 1elif n==2:return 1else:return Fibonacci(n-1)+Fibonacci(n-2)# Driver Programprint(Fibonacci(9))