list = [1,1,2,2,3,4]
print(list)
a="i am learning how to use computer, computer is a device used to process the given data and present an output "
b=a.split()
print(b)
c=b.count('computer')
print(c)
b.append("hello")
print(b)

#dictionary
dict={"a":"apple", "b":"banana", "c":"cat"}
print(dict)
print(dict["a"])
print(len(dict))
x=dict.values()
print(x)

set=("a","b","c")
set.remove("a")
print(set)








