Practice: Read

Q1.1

What does this program output?

s1 := read
print s1 s1
s2 := read
print s1 s2

Input

A
B

Choose one correct answer:

• A:

  A A
  B B
  

• B:

  A A
  A B
  

• C:

  A
  A B
  

• D:

  print "hello"
  

• E: program errors

• F: none of the above

Solution

C

TBD: error cases

Write a program that echos the input 3 times.

Write a program that reads a colour and prints a 60 diameter circle in Center of canvas with colour.

Same as above. Read 2 colours, one for background, one for circle.