Python for Beginner - Module 1

To make a computer show a message "Hello World!" on the screen.

Your code:

• print "Hello World!"

• print(Hello World!)

• show("Hello World!")

• print("Hello World!")

• show "Hello World!"

Jimmy tries to show a message on the screen but there is a mistake in his code.

print('I'm Jimmy!')

How to fix his code?

• print(I'm Jimmy!)

• print 'I'm Jimmy!'

• print("I'm Jimmy!")

• write I'm Jimmy!

• I'm Jimmy!

Which is a good variable name?

• x

• 365days

• my name

• print

• travel_distance

To assign (store) things into a variable in Python. You use:

• =

• ==

• :=

• <-

Julia was given a variable my_pet but her pet is a dog.

What can she do in Python?

>>> my_pet = "cat"

Choose the easiest way.

• change my_pet to "dog"

• my_pet = "dog"

• "my_2nd_pet" = "dog"

• my_pet = ""

  my_pet = "dog"

To draw a picture like this in Python Turtle, you need:

• from turtle import *

• forward(100)

• right(90)

• pencolor("red")

• stop()

To do maths in Python, you use:

• + for plus

• - for minus

• * for multiply

• % for divide

Light travels at the speed of 300,000 km/sec.

To find how far in km light travel a year (light-year) in Python using:

sec_per_min = 60

min_per_hour = 60

hour_per_day = 24

day_per_year = 365

• sec_per_min *

  min_per_hour *

  hour_per_day *

  day_per_year

• sec_per_min +

  min_per_hour +

  hour_per_day +

  day_per_year

• sec_per_min ×

  min_per_hour ×

  hour_per_day ×

  day_per_year

• 60*60*24*364

Jimmy tried to draw a line but failed:

forward("50")

Can you help him?

• forward('50')

• forward "50"

• forward 50

• forward(50)

There are several types of data in Python. For example, numbers 3 and strings "3K".

Julia tried to find the answer of four times five but got this:

44444

Which is Julia's code?

• print('4' * '5')

• print(4*5)

• print("4*5")

• print four times five

• print("4" * 5)