#1 .append()

names = ['santosh','roshan','sabuz','rahul',]
abc = names
mno = abc
xyz = mno.copy()
print(id(abc))
print(id(names))
print(id(mno))
print(id(xyz))
xyz.append('dependra')
print(mno)
print(names)
print(xyz)


#2  .count()

name = ['santosh','roshan','sabuz','rahul','santosh']
print(name.count('santosh'))


#3  .extend()

name = ['santosh','roshan','sabuz','rahul','santosh']
extra_name = ['dipendra','nigma']
name.extend(extra_name)
print(name)



#4  .index()

name = ['santosh','roshan','sabuz','rahul','santosh']
print(name.index('santosh'))
print(name.index('santosh',1))


#5  .insert(index, obj)

name = ['santosh','roshan','sabuz','rahul','santosh']
name.insert(3, 'om')
print(name)


#6  .pop()

name = ['santosh','roshan','sabuz','rahul','santosh']
name.pop()
print(name)
name.pop(2)
print(name)


#7  .remove()

name = ['santosh','roshan','sabuz','rahul','santosh']
name.remove('sabuz')
print(name)


#8  .reverse()

name = ['santosh','roshan','sabuz','rahul','santosh']
name.reverse()
print(name)


#9  .sort()

name = ['santosh','roshan','3','1','sabuz','rahul','santosh']
name.sort()
print(name)

name.sort(reverse=True)
print(name)


#  del

name = ['santosh','roshan','3','1','sabuz','rahul','santosh']
del name
print(name)