# list
v = [3,4,5,6,7,7,7,7]
m = ["ajhg", "sdhajk", "ahajksh"]
# print the list
print(v)
# reach to list items
print(v[2])
print(v[-5])
#lenght of the list
print(len(v))
# check if item is exist in list or not
if 5 in v:
    print("yes, item=5 is exists")
#change list item
v[2] = "dsjhvj"
print(v)
m[0:1] = ["water", "cup"]
print(m)
# how you can insert item in the list insert()
thislist = ['d', 'd', 'f', 'f']
thislist.insert(2, "hello")
print(thislist)
thislist.append("dhshsdhd")  #add to the end
print(thislist)
thislist.extend(m)
print(thislist)
#remove list item : remove(value of the item)
y = [1,3,5,67,8,90,43,98]
y.remove(67)
print(y)
# remove item by index: pop(index)
y = [1,3,5,67,8,90,43,98]
y.pop(5)
print(y)
# delete the last item from list
y.pop()
print(y)
# clear all the list item: clear()
y.clear()
print(y)
# for loop
u = [100,33,5,67,8,7,43,98]
for i in u:
    print(i)

for i in range(len(u)):
    u[i] = u[i]+2
print(u)

# sort list items
u.sort()
print(u)
thislist = ['uwdsf', 'adffs', 'pdsfs', 'dffgd']
thislist.sort()
print(thislist)
k=u=[7, 9, 10, 35, 45, 69, 100, 102]
k.sort(reverse=True)
print(k)