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    Kirubel Teka Part6 Fill Table

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    Surafel Teka
    This document contains 6 parts that cover various fundamentals of Python programming including: 1) Printing variables and expressions in Python. 2) Using comments and multi-line strings. 3) Working with variables and basic math operations. 4) Accepting user input. 5) Debugging type errors when combining strings and numbers. 6) Using casting to convert between data types.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Kirubel Teka Part6 Fill Table

    Uploaded by

    Surafel Teka
    56 views6 pages
    This document contains 6 parts that cover various fundamentals of Python programming including: 1) Printing variables and expressions in Python. 2) Using comments and multi-line strings. 3) Working with variables and basic math operations. 4) Accepting user input. 5) Debugging type errors when combining strings and numbers. 6) Using casting to convert between data types.

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    Original Title

    Kirubel Teka part6 Fill Table

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    This document contains 6 parts that cover various fundamentals of Python programming including: 1) Printing variables and expressions in Python. 2) Using comments and multi-line strings. 3) Working with variables and basic math operations. 4) Accepting user input. 5) Debugging type errors when combining strings and numbers. 6) Using casting to convert between data types.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    56 views6 pages

    Kirubel Teka Part6 Fill Table

    Uploaded by

    Surafel Teka
    This document contains 6 parts that cover various fundamentals of Python programming including: 1) Printing variables and expressions in Python. 2) Using comments and multi-line strings. 3) Working with variables and basic math operations. 4) Accepting user input. 5) Debugging type errors when combining strings and numbers. 6) Using casting to convert between data types.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 6

    Addis Ababa Institute of Technology

    Center of Information Technology and Scientific Computing


    Fundamentals of Computer Science and Programming

    Lab2 (Variables and Data Types)

    Part 1: Printing

    1 print("I will now count my chickens:" )


    2
    3 print("Hens", 25 + 30 / 6)
    4 print("Roosters", 100 - 25 * 3 % 4)
    5
    6 print("Continue Printing” )
    7
    8 print(3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6)
    9
    10 print(3 + 2 < 5 - 7)
    11
    12 print("What is 3 + 2?", 3 + 2)
    13

    Comments and Pound Character

    Comments are very important in your programs. They are used to tell you what
    something does in English, and they also are used to disable parts of your program if you
    need to remove them temporarily. Here’s how you use comments in Python:

    1 # A comment, this is so you can read your program later.


    2 # Anything after the # is ignored by python.

    3 print("I could have code like this.") # the comment is ignored


    Part 2: Printing, Printing, Printing

    1 # remember type it exactly.


    2
    3 days = "Mon Tue Wed Thu Fri Sat Sun"
    4 months = "Jan\nFeb\nMar\nApr\nMay\nJun\nJul\nAug"
    5
    6 print("Here are the days:\t", days)
    7 print("Here are the months: ", months)
    8
    9 print("""
    10 There's something going on here.
    11 With the three double- quotes.
    12 We'll be able to type as much as we like.
    13 Even 4 lines if we want, or 5, or 6.
    14 """)
    15

    Part 3: Variables

    1 cars = 100
    2 space_in_a_car = 4.0
    3 drivers = 30
    4 passengers = 90
    5 cars_not_driven = cars - drivers
    6 cars_driven = drivers
    7 carpool_capacity = cars_driven * space_in_a_car
    8 average_passengers_per_car = passengers / cars_driven
    9
    10 type(cars) # Try the other variables
    11 print( "There are", cars, "cars available." )
    12 print( "There are only", drivers, "drivers available." )
    13 print( "There will be", cars_not_driven, "empty cars today." )
    14 print( "We can transport", carpool_capacity, "people today." )
    15 print( "We have", passengers, "to carpool today." )
    Part 4: User Input

    1 name = input()
    2 # Enter Name
    3 print(name)
    4 print(‘Hello ’, name)
    5 # What problem do you see?
    6 name = input(‘Enter your name: ’)
    7 print(‘Hi ’, name)

    Part 5: Debugging

    1 age = input(“Enter your age: ”)


    2 print(age)
    3 # What would be the age after 12 years(roughly)
    4 print(age + 12)
    5 # What is the result?
    6 # What do you think is the problem?
    7 type(age)

    Part 6: Casting

    Type error 1.0


    Type error Type error
    '2' '2'
    value error value error
    1 1
    1.0 1.0
    '1.0' '1.0'
    1 age = input(“Enter your age: ”)
    2 age = int(age)
    3 print(age)
    4 # What would be the age after 12 years(roughly)
    5 print(age + 12)
    6 # What is the result?
    7 type(age)
    8 float_age = float(age)
    9 str_age = str(age)
    10 type(float_age)
    11 type(str_age)
    12 age + 12
    13 print(age)

    Part 6: Booleans and Expressions

    1 print(5 < 3)
    2 5 > 3
    3 True and False
    4 Type(5 < 3)
    5 ‘hi’ > ‘hello’
    6 5 = 5
    7 #What went wrong?
    8 favorite_color = ‘blue’
    9 user_favorite = input(‘Enter your favorite color: ’)
    10 favorite_color == user_favorite

    True True
    False False

    True True

    False False
    Exercise
    1. Evaluate an expression from user

    Accept an algebraic expression from user and print out the result of the expression

    1 expression = input(‘Enter an expression: ’)


    2 #Your code goes here
    3 #Hint check help(eval) on python shell

    2.

    Write code to swap the values of variable a and b

    3.
    secret_num = 10
    temp = secret_num + 8 #evaluate secret + 8, and put the result
    #in temp
    temp = temp * 2 #evaluate temp * 2, and put the results
    #in temp
    temp = temp / 4
    answer = temp - secret_num / 2
    print(answer)

    Try changing the secret number(i.e secret_num). Why is it working?

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