for_with_process.py

def some_function(k):
  # some lines of code doing something 
  # ...
  
  another_list = []
  for i in range(k):
    if i%2 ==0:
        another_list.append( (i*7 + 5) % 13 )
    else:
        another_list.append( (i*5 + 7) % 23 )
  
  # ...
  # more lines of code doing something else