# your code goes here
 
#index
nums=["1","2","3","4"]
lets=["a","b","c","d"]
print(nums)
print(lets)
print(nums[0:])
print(lets[0:])
 
#modify
#once modifued that exist num doen't show
nums[0]="0"
lets[0]="m"
print(nums) 
print(lets)
 
#insert
#you can add which is need 
nums.insert(0,"9")
lets.insert(0,"maru")
print(nums)
print(lets)
 
#append
#you can add end of the variebles you need
nums.append("99")
lets.append("velam")
print(nums)
print(lets)
 
#deleted
#you can delete which you dont need
del nums[0]
print(nums)
del lets[0]
print(lets)
 
#pop
#is is deleting whatever you need index
deleted=nums.pop()
print(nums)
deleted=lets.pop()
print(lets)
 
#remove
#also same by pop but in this u have to remove a value directly
nums.remove("2")
print(nums)
lets.remove("b")
print(lets)
 
#sorted
#its allacating values by alphapaticly
print(sorted(nums))
print(sorted(lets))
 
#reverse
#which is you can change the order by reverse
nums.reverse()
print(nums)
lets.reverse()
print(lets)
 
#lenth
#you can to know total numbers of value
print(len(nums))
print(len(lets))
 

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