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

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

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

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

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

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

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

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

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

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

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