python3 multiprocessing use the same data for all processes code example

Example 1: sqlite3.ProgrammingError: SQLite objects created in a thread can only be used in that same thread

conn = sqlite3.connect('your.db', check_same_thread=False)

Example 2: how to know all methods in a module in python

>>> import re
>>> dir(re)

Example 3: python create a program that runs through all possible combinations

from itertools import combinations

lst = ["a" ,"b", "c"]
lengthOfStrings = 3
for i in combinations(lst, lengthOfStrings):
  print(i)