''' Support your understanding of lists
        list building
'''


# get some lists

print()

# create and add to values
values = [ ]

values.append( "u" )
values.append( "v" )
values.append( "a" )
values.append( "!" )
values.append( " " )
values.append( "u" )
values.append( "v" )
values.append( "a" )
values.append( "!" )

print( "values  =", values )

# list.append(x) will add x as a new element to the end of your list
# l1 = ['hi']
# l1.append('new')
# l1 now looks like ['hi','new']

input()

# create and add to ints
# Using loops to build up lists!

# ACCUMULATION
ints = [] # empty list as our accumulator (we're building up a list!)
other_ints = []
for i in range( 0, 10 ) : # loop through values 0 to 9
    # Adding an element at the end of a list (.append)
    print('i =', i, 'and ints =', ints) # before we add the current value of i
    ints.append( i ) # add each number as a new element one by one to
    # our list

    # Adding an Element at the front of a list
    print('i =', i, 'and other_ints =', other_ints)
    other_ints.insert(0, i) # insert the new element at index 0 (the first
    # element)
print('other_ints=', other_ints)
print( "ints =", ints )

#.append() is only for lists.