1. CSE 1321 - Module 1 A Programming Primer
4/11/2019
CSE 1321 Module 1

2. Ps Skeletons BEGIN MAIN END MAIN
Note: every time you BEGIN something, you must END it!
Write them as pairs!
4/11/2019
CSE 1321 Module 1

3. Skeletons def main(): pass if __name__ == '__main__': main()
Note: technically, you don’t have to do this. It’s complicated…
4/11/2019
CSE 1321 Module 1

4. Ps Printing BEGIN MAIN PRINT “Hello, World!”
PRINT “Bob” + “ was” + “ here”
END MAIN Ps
4/11/2019
CSE 1321 Module 1

5. Printing def main(): print ("Hello, World!")
print ("Bob"+" was"+" here")
if __name__ == '__main__':
main()
4/11/2019
CSE 1321 Module 1

6. Declaring/Assigning Variables
BEGIN MAIN
CREATE userName
CREATE studentGPA
userName ← “Bob”
studentGPA ← 1.2
END MAIN
userName
“Bob”
studentGPA
1.2 Ps
4/11/2019
CSE 1321 Module 1

7. Declaring/Assigning Variables
def main():
userName = 'Bob'
studentGPA = 1.2
if __name__ == '__main__':
main()
4/11/2019
CSE 1321 Module 1

8. Reading Text from the User
BEGIN MAIN
CREATE userInput
PRINT “Please enter your name”
READ userInput
PRINT “Hello, ” + userInput
END MAIN Ps
4/11/2019
CSE 1321 Module 1

9. Reading Text from the User
def main():
userInput = input("Please enter your name: ")
print ("Hello, ” + userInput)
if __name__ == '__main__':
main()
4/11/2019
CSE 1321 Module 1

10. Reading Numbers from the User
BEGIN MAIN
CREATE userInput
PRINT “Please enter your age: ”
READ userInput
PRINT “You are ” + userInput + “ years old.”
END MAIN Ps
4/11/2019
CSE 1321 Module 1

11. Reading Numbers from the User
def main():
age = int(input("Please enter your age: "))
print ("You are ",age," years old.")
if __name__ == '__main__':
main()
4/11/2019
CSE 1321 Module 1