#!/usr/bin/env python
# coding: utf-8

# In[5]:


list=[1,2,3,4]
print(list)
list.append(5)
print(list)
list2=[6,7,8,9]
print(list+list2)
print(list*2)


# In[ ]:





81a07c7da8ffdfcabf0d13018c7b96cbc50de2cc
<mask token>

<mask token>
print(list)
list.append(5)
print(list)
<mask token>
print(list + list2)
print(list * 2)

list = [1, 2, 3, 4]
print(list)
list.append(5)
print(list)
list2 = [6, 7, 8, 9]
print(list + list2)
print(list * 2)

#!/usr/bin/env python
# coding: utf-8

# In[5]:


list=[1,2,3,4]
print(list)
list.append(5)
print(list)
list2=[6,7,8,9]
print(list+list2)
print(list*2)


# In[ ]:




