""" Purpose: introduce some functions from module random
"""

# by default the random module produces different interactions every time we use it

import random 

### get two integers
reply = input( "Enter two integers: " )
n1, n2 = reply.split()          # these are two strings
n1, n2 = int( n1 ), int( n2 )   # we can update the same variables to hold the int versions - this is fine
                                # if we're just doing short conversions and you know you won't need
                                # the string versions later, updating the same variables is fine
                                # how you decide to name your variables is up to you - it's convention to
                                # help you remember the values in them for later

# reply = input( "Enter string: " )
# text = reply.strip()   # clean up reply
# text = text.lower()    # take the cleaned up text string and then lower it and update the same variable text
# text = reply.strip().lower()   # we can do multiple things on the same line
#                                # line 20 is equivalent to lines 18 and 19

# random function randrange( b ) when a given a SINGLE integer argument returns
# random integer from 0 to b-1, which is mathematically written as [ 0, b ).
# The value is also called a base b integer
# if you give it a single thing, the range is always 0 and up to b - 1 --> choose a random number within
# this range
i1 = random.randrange( n1 )    # if n1 = 5, chooses a random number in [0, 1, 2, 3, 4]
i2 = random.randrange( n1 )
i3 = random.randrange( n1 )
i4 = random.randrange( n1 )

j1 = random.randrange( n2 )
j2 = random.randrange( n2 )
j3 = random.randrange( n2 )
j4 = random.randrange( n2 )

print()

print( "Four random values from interval [ 0,", n1, " ):", i1, i2, i3, i4 )
print( "Four random values from interval [ 0,", n2, "):",  j1, j2, j3, j4 )

print()

### get four integers
reply = input( "Enter four integers: " )
m1, n1, m2, n2 = reply.split()
m1, n1 = int( m1 ), int( n1)
m2, n2 = int( m2 ), int( n2)

# random function randrange( x, y ) returns random integer from interval 
# x to y-1; that is [ x, y )

# if m1 = 5, n1 = 10 --> the range is [5, 6, 7, 8, 9] --> chooses a random number within this range
i1 = random.randrange( m1, n1 )
i2 = random.randrange( m1, n1 )
i3 = random.randrange( m1, n1 )
i4 = random.randrange( m1, n1 )

j1 = random.randrange( m2, n2 )
j2 = random.randrange( m2, n2 )
j3 = random.randrange( m2, n2 )
j4 = random.randrange( m2, n2 )

print()

print( "Four random values from interval [", m1, ",",  n1, "):",  i1, i2, i3, i4 )
print( "Four random values from interval [", m2, ",",  n2, "):",  j1, j2, j3, j4 )