''' Purpose: considers how Python stores and keeps track of variables 
'''

# get inputs into proper form (string and integer)

w = input( 'Enter word: ' )

si = input( 'Enter integer: ' )

sd = input( 'Enter decimal: ' )

print()

# Printing the variable prints out the value!
# print(w) will print out the value of w
# word you typed since the word input was stored in variable w!
print( 'w: ', w )
print( 'si: ', si )
print( 'sd: ', sd )

print()

# type( x ) tells you what the type of x is (int, str /string, float, etc.)
# id( x ) tells you the location in memory (id) that x has in your program
    # Tells you where in memory you can find that variable
# Remember Python allocates memory to store variables / values (like those boxes earlier)
# and we can use Python unique ids to reference specific variables in memory.
# Remember: Variables are stored in memory (each variable has a location in memory and that
# location can be found using id(variable) )
w_type = type( w )
w_id   = id( w )

si_type = type( si )
si_id   = id( si )

sd_type = type( sd )
sd_id   = id( sd )

# display what we found out

print( 'variable w  is', w_type,  'and is at', w_id,  'and when printed displays', w )
print( 'variable si is', si_type, 'and is at', si_id, 'and when printed displays', si )
print( 'variable sd is', sd_type, 'and is at', sd_id, 'and when printed displays', sd )

print()

# let's cast (convert) si and sd respectively into an integer and decimal

i = int( si )
d = float( sd )

print( 'i: ', i )
print( 'd: ', d )

print()

i_type = type( i )
i_id   = id( i )

d_type = type( d )
d_id   = id( d )

# display what we found out

# Previously, si and sd were strings of the int i and float d before we converted them in lines 50-51.
print( 'variable i is', i_type, 'and is at', i_id, 'and when printed displays', i)
print( 'variable d is', d_type, 'and is at', d_id, 'and when printed displays', d )