Find errors and rewrite the same after correcting the following code:

d1.value()

Find errors and rewrite the same after correcting the following code:

d1.gets(4, 80) 

Find errors and rewrite the same after correcting the following code:

d1.clears()  

Suppose

>>> d1 = { 1 : 'one' , 2: 'two' , 3: 'three' , 4: 'four'}
>>> d2 = { 5 :'five', 6:'six' }

Write the output of the following code:

>>> d1.items() 
>>> d1.keys() 
>>> d1.values() 
>>> d1.update(d2)
>>> len(d1)