how to append list in python
list_1 = ['w','h']
list_1.append('y') # you need no veribal to store list_1.append('y')
print(list_1) # ['w','h','y']
list_2 = ['a','r','e']
list_1.append(list_2) # This also donot need a veribal to store it
print(list_1) # ['w','h','y',['a','r','e']]
list_1.extend(list_2)
print(list_1) # ['w','h','y',['a','r','e'],'a','r','e']