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some excercises with lists
Lists and Tuples example from a Well House Consultants training course
More on Lists and Tuples [link]

This example is described in the following article(s):
   • Learning Python - many new example programs - [link]

Source code: yuk Module: Y104
# some excercises with lists

# Set up a list of 4 items
dinner = ["Soup","Chicken","Rice","Water"]

# Change the THIRD one
dinner[2] = "Nan Bread"

# Add two more on the end
dinner += ["Sticky Toffee Pudding","Custard"]

# Insert someting in the 'middle'
dinner.insert(4,"A rest")


# Most basic loop to handle each member of a list by number
num = 0
while num<len(dinner):
        dinner[num] += " with marmite"
        num += 1

# Use a loop like THIS if you don't care about the position no.
for item in dinner:
        print("I want some",item)

# But if you want to refer to next, or previous ... you need something like this
for posn in range(0,len(dinner),1):
        print("Graham ate all of the ",dinner[posn])

# lists in lists
lunch = [["soup","salad"],["chicken","lamb","rhino"],["Ice Cream"]]
lunch[2].append("Cheese and Celery")

# printing out lists in lists
for course in lunch:
        for option in course:
                print(option," or ",end=" ")

# Taking the last item off a list ("popping")
dinner = dinner[:-1]


""" Sample Output

WomanWithCat:y104 grahamellis$ python3 yuk
['Soup', 'Chicken', 'Nan Bread', 'Water', 'A rest', 'Sticky Toffee Pudding', 'Custard']
I want some Soup with marmite
I want some Chicken with marmite
I want some Nan Bread with marmite
I want some Water with marmite
I want some A rest with marmite
I want some Sticky Toffee Pudding with marmite
I want some Custard with marmite
Graham ate all of the Soup with marmite
Graham ate all of the Chicken with marmite
Graham ate all of the Nan Bread with marmite
Graham ate all of the Water with marmite
Graham ate all of the A rest with marmite
Graham ate all of the Sticky Toffee Pudding with marmite
Graham ate all of the Custard with marmite
soup or salad or
chicken or lamb or rhino or
Ice Cream or Cheese and Celery or
tea or coke or
['Soup with marmite', 'Chicken with marmite', 'Nan Bread with marmite', 'Water with marmite', 'A rest with marmite', 'Sticky Toffee Pudding with marmite']
WomanWithCat:y104 grahamellis$


Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in Python
 * Python Programming
Also available on on site courses for larger groups

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Other Examples
This example comes from our "Lists and Tuples" training module. You'll find a description of the topic and some other closely related examples on the "Lists and Tuples" module index page.

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