Transcript More advanced stuff

Some More Python
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Hi!
Welcome back to the
IT Crowd
Please open up
Python IDLE
= Explanation
Don’t copy!
Warm up - Loops
Exercise
What you write
Loops do just what they say in the title, repeat
programs over and over and never end! Try:
while 1 == 1:
print(“Over and over, looping out of control!”)
A quick recap
What you write
print "Welcome to Python!"
What appears
Welcome to Python
In review
An exercise from last time
What you write
question= “What\’s your name?”
print(question)
answer= input()
(insert name here)
print=(“ You\’re called ” + answer + “ ?”)
In review
What should appear
What you should see
>>> print("You\'re called " + answer + " ?")
You're called Nathaniel ?
Todays
Lesson
Operators - Maths
Introduction
Maths in Python works much like Maths in real life. You’ll need your Python maths for when
you’re making your games in a few lessons so, don’t forget the basics and enjoy some of
the more interesting tasks we have today
Maths
= Explanation
Don’t copy!
Operators - Maths
Exercise
What you write
Try some of these:
x=2
y=3
z=5
x*y
x+y
x*y+z
(x + y) * z
= Explanation
Don’t copy!
Operators - Maths
Exercise
What you write
How powers work:
2**8
256
= Explanation
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Operators - Maths
Odd or Even?
What you write
Odd or even, this script will react to print what
the number is:
number = float(input(“Feed me a number: "))
if number % 2 == 0:
print(int(number), "is even.")
elif number % 2 == 1:
print(int(number), "is odd.")
else:
print(number, "is very strange.”)
(Keep repeating and try different numbers!)
= Explanation
Don’t copy!
Operators - Maths
Guess the number
What you write
number = 7
guess = -1
count = 0
It’s long but interesting.
Have a go guessing with the
person next to you!
print("Guess the number!")
while guess != number:
guess = int(input("Is it... "))
count = count + 1
if guess == number:
print("Yay! You guessed right!")
elif guess < number:
print(“Keep guessing, bit bigger…")
elif guess > number:
print(“Thats way too big, try going lower”)
if count > 3:
print(“Took you a while but you got there.")
else:
print(“Hats off to you, clever clogs!”)
= Explanation
Don’t copy!
Operators - Maths
Nice name or not?
What you write
name = input('Your name: ')
if name == 'Ada':
print('That is a nice name.')
elif name == ‘Your friend':
print(‘something bad about their name')
elif name == ‘Another friend:
print(‘Be imaginative')
else:
print('I don’t like your name')
= Explanation
Don’t copy!
Operators - Maths
Adding and printing
What you write
This will calculate your number, if its bigger
than or less than 100 it will show messages.
number1 = float(input('1st number: '))
number2 = float(input('2nd number: '))
if number1 + number2 > 100:
print('That is a big number.’)
else:
print(‘That is a small number!’)
(Keep repeating and try different numbers!)
GIMP
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