• May 5, 2026 •CodeCatch
0 likes • 1 view
import re def find_pattern(text, pattern): match = re.search(pattern, text) if match: return match.group() else: return 'No match found' text = 'Hello, world! This is a test.' pattern = r'world!.*test.' result = find_pattern(text, pattern) print(result)
• Nov 19, 2022 •CodeCatch
0 likes • 3 views
# Python code to find the URL from an input string # Using the regular expression import re def Find(string): # findall() has been used # with valid conditions for urls in string regex = r"(?i)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'\".,<>?«»“”‘’]))" url = re.findall(regex,string) return [x[0] for x in url] # Driver Code string = 'My Profile: https://codecatch.net' print("Urls: ", Find(string))
• Mar 12, 2021 •mo_ak
prime_lists=[] # a list to store the prime numbers def prime(n): # define prime numbers if n <= 1: return False # divide n by 2... up to n-1 for i in range(2, n): if n % i == 0: # the remainder should'nt be a 0 return False else: prime_lists.append(n) return True for n in range(30,1000): # calling function and passing starting point =30 coz we need primes >30 prime(n) check=0 # a var to limit the output to 10 only for n in prime_lists: for x in prime_lists: val= n *x if (val > 1000 ): check=check +1 if (check <10) : print("the num is:", val , "=",n , "* ", x ) break
• Nov 18, 2022 •AustinLeath
0 likes • 8 views
#question1.py def rose(n) : if n==0 : yield [] else : for k in range(0,n) : for l in rose(k) : for r in rose(n-1-k) : yield [l]+[r]+[r] def start(n) : for x in rose(n) : print(x) #basically I am printing x for each rose(n) file print("starting program: \n") start(2) # here is where I call the start function
• Dec 18, 2025 •CodeCatch
0 likes • 4 views
def insertion_sort(arr): # Traverse through 1 to len(arr) for i in range(1, len(arr)): key = arr[i] # Move elements of arr[0..i-1], that are greater than key, # to one position ahead of their current position j = i - 1 while j >= 0 and key < arr[j]: arr[j + 1] = arr[j] j -= 1 arr[j + 1] = key # Example usage: arr = [12, 11, 13, 5, 6, 7, 8, 10] insertion_sort(arr) print("Sorted array is:", arr)
• Sep 3, 2025 •AustinLeath
0 likes • 6 views
import subprocess class CommandRunner: def run_command(self, command): command_process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, text=True) output = command_process.communicate()[0].strip() return_code = command_process.returncode return output, return_code def main(): # Create instance of CommandRunner runner = CommandRunner() # Define the command command = 'ping -c 4 localhost' try: # Run the command and get output and return code output, return_code = runner.run_command(command) # Print the output and return code print(f"Command output:\n{output}") print(f"Return code: {return_code}") except Exception as e: print(f"An error occurred: {e}") if __name__ == "__main__": main()