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Challenge 3.1

Display number of dots from the given largest card to 1

Challenge Level: Growing experience

Requirement:

Write a program that takes the largest number of dots on a card as an input and displays the bit values from largest to smallest as the output.

Hints
  • Make a variable called number_of_dots and set it to the largest number of dots entered as the input.
  • Divide the value of number_of_dots by 2, round the result to the nearest integer using round() and display it as the output while number_of_dots is greater than or equal to 1.
  • Use a while loop to run the lines inside while the condition is true. In this challenge you need to repeat the lines while number of dots is greater than or equal to 1.
Programming Reminders
# Print a string directly
print("Hello World!")

# Print a variable
print(my_var)

Variables

# Set a variable as a string
fruit_name = "Apple"

# Set a variable as an integer 
pieces_of_fruit = 7

# Set a variable from a calculation
cost_of_fruit = pieces_of_fruit * cost_per_item

# Add one to a value
pieces_of_fruit += 1

Conditionals

# Find out the discount on fruit
if pieces_of_fruit > 100:
   print("Bulk discount applies")
elif pieces_of_fruit > 5:
   print("Discount applies")
else:
   print("No discount")

For loops

# Print numbers 0-9 - remember Python starts counting from 0 
for num in range(10):
    print(num)

While loops

# Print numbers 0-9 using a while loop and a variable
num = 0
while num < 10:
    print(num)

    # Increment the variable by one.
    # It will prevent an infinite loop!
    num += 1 

Lists

# Create a list of fruit 
fruit = ["Apple", "Banana", "Orange", "Pear"]

Functions

# Create a function which prints a greeting
def greeting(name):
    print("Hello " + name)

# Call the function
greeting("Spiderman")

Enter your code in the editor below

Your results will be displayed here

Input Expected output Received output Status
32
32
16
8
4
2
1

                
Not yet run ?
128
128
64
32
16
8
4
2
1

                
Not yet run ?
1
1

                
Not yet run ?