''' Purpose: introduce lists
'''

#import pause

# get text and convert to list form
reply   = input( 'Enter text: ' )
strings = reply.split() 

print( 'reply   = \'' +  reply + '\'' )
print( 'strings =', strings )
print()

# get text and convert to list form
reply   = input( 'Just hit enter: ' )
print()

strings = reply.split()

print( 'reply   = \'' +  reply + '\'' )
print( 'strings =', strings )

input()

# get text and convert to list form and print words one by one
reply   = input( 'Enter text: ' )
strings = reply.split() 

for w in strings:
    print( w )

input()

# get numeric text and convert to numbers
reply   = input( 'Enter a list of numbers: ' )
numeric_strings = reply.split()

print( 'reply   =', reply )
print( 'numeric_strings =', numeric_strings )

input()

numbers = []

for ns in numeric_strings:
    number = int( ns )
    numbers.append( number )

print( 'numbers = ', numbers )
input()

total = 0

for number in numbers:
    total = total + number

print( total )
# get numeric text and convert to numbers
reply   = input( 'Enter a list of numbers: ' )
nbrs    = reply.split()

print( 'reply   =', reply )
print( 'nbrs    =', nbrs )

input()

n = len( nbrs )

...