Good Post Template

http://www.ozzieliu.com/tutorials/Linear-Regression-Gradient-Descent.html

1:  def sub_lists(my_list):   
2:    subs = [[]]   
3:    for i in range(len(my_list)):   
4:      n = i+1   
5:      while n <= len(my_list):   
6:        sub = my_list[i:n]   
7:        subs.append(sub)   
8:        n += 1   
9:    return subs   
10:  l1 = [10, 20, 30, 40]   
11:  l2 = ['X', 'Y', 'Z']   
12:  print(sub_lists(l1))   
13:  print(sub_lists(l2))