#**********************************************************************
# TASK #1: Print the items in a list generated by a range
#**********************************************************************

X = list(range(50,100,9))       # X will be [50,59,68,77,86,95]

#----------------------------------------------------------------------
# Version #1: Use a counter loop.  With this version we know where
# each item is located (Counter).
#----------------------------------------------------------------------

print ("TASK #1 VERSION #1")
Counter = 0
while Counter < len(X):
    print (Counter, X[Counter])
    Counter = Counter + 1

#----------------------------------------------------------------------
# Version #2: Use a for-loop with a counter variable.  With this
# version we also know where each item is located (Counter).
#----------------------------------------------------------------------

print ("TASK #1 VERSION #2")
for Counter in range(len(X)):
    print (Counter, X[Counter])   

#----------------------------------------------------------------------
# Version #3: Use a for-loop on the master list itself.  We DON'T
# know where each item is located, but if we don't need to know then
# the code is significantly simpler than the earlier versions.
#----------------------------------------------------------------------

print ("TASK #1 VERSION #3")
for Item in X: print (Item)

#**********************************************************************
# TASK #2: Print the characters in a string (this is really the same
# as task 1 in a lot of ways).
#**********************************************************************

Z = "This is a long string"     # Define the string to step through

#----------------------------------------------------------------------
# Version #1: A tried-and-true counter loop.  With this version we
# know the position of each character in the string.
#----------------------------------------------------------------------

print ("TASK #2 VERSION #1")
Counter = 0
while Counter < len(Z):
    print (Counter, Z[Counter])
    Counter = Counter + 1

#----------------------------------------------------------------------
# Version #2: Use a for-loop keyed off the length of the string
# to step through and print each character.  With this version we
# also know the position of each character in the string.
#----------------------------------------------------------------------

print ("TASK #2 VERSION #2")
for Counter in range(len(Z)):
    print (Counter, Z[Counter])
    
#----------------------------------------------------------------------
# Version #3: Just step through the characters of the string, printing
# each one.  We DON'T know where each item is located, but if we don't
# need to know then the code is significantly simpler than the earlier
# versions.
#----------------------------------------------------------------------
    
print ("TASK #2 VERSION #3")
for Item in Z: print (Item)

#----------------------------------------------------------------------
# Version #4: We could use a literal string here, too.
#----------------------------------------------------------------------

print ("TASK #2 VERSION #4")
for Item in "This is a long string": print (Item)