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Intro to Python
Lab 1: Python
1. Python Shell, Calculator
2. Learning Python Resources and IDLE
3. Book Python Chaos example
# File: chaos.py
def main():
print "This program illustrates a chaotic function"
x = input("Enter a number between 0 and 1: ")
for i in range(10):
x = 3.9 * x * (1 - x)
print x
main()
-copy
-modify
4. Print options
5. Getting input:
-input
-raw_input
6. celsius = input("What is the Celsius temperature? ")fahrenheit = 9.0 / 5.0 * celsius + 32
print "The temperature is", fahrenheit, "degrees Fahrenheit."
Challenge: Input Fahrenheit and output Celcius
Challenge: Input kilometers and output miles (.62)
print "This program calculates the future value of a 10-year invest"
principal = input("Enter the initial principal: ")
apr = input("Enter the annual interest rate: ")
for i in range(10):
principal = principal * (1 + apr)
print "The value in 10 years is:", principal
7. Form Letter Program:
Write a program to get 5 inputs from the user. Then use these 5 inputs to print out a form letter using these inputs. Next CS Lab period, turn in a copy of your Python Code plus 2 different outputs of your code in action
Lab 1, Visual Python:
1. A simple sphere
2. A bit about Objects
-nothing new.. organization and reusability
-idea same as chips vs transistors...
assemble software
3. Making a Projectile
4. Visual Python Tutorial
d
d
from visual import *
ball = sphere(pos=(-6,.1,0), color=color.blue,radius=.4)
ball.velocity = vector(6,10,0)
wind=vector(-1,0,1)
d=.01
while ball.pos.y>=0:
rate(50)
print ball.pos.x,ball.pos.y,ball.pos.z
ball.velocity.y = ball.velocity.y-9.8*d
ball.velocity = ball.velocity+wind*d
ball.pos = ball.pos + ball.velocity*d
