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E. Answer the following questions:
1. What are arrays in programming?
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2. Explain how arrays are indexed in programming.
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3. How do you search a particular value from an array in Python?
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4. Write any two advantages of array.
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Applied Project
To print reverse of an integer number
In this task, you will learn to create the program which will print the reverse number of the given
number.
To perform the task, follow these steps:
Step 1: Visit the link: https://arcade.makecode.com/. Create a project ‘Reverse number’, and
click on ‘Create’.
Step 2: Create four variables ‘number’, ‘interNumber’,
‘newnumber’ and ‘storednumber’.
Step 3: From ‘variables’ select ‘set newnumber to 0’ and ‘set
storednumber to 0’ block, and drop then to ‘on start’
block.
Step 4: Change the value of ‘set newnumber to 0’ to ’2345’ and in
‘set storednumber to 0’ drop a variable ‘newnumber’.
Step 5: From ‘Loops’ select ‘while’ loop and drop it ‘on start’ block.
Step 6: In ‘false’ of ‘while’ loop, drag and drop the comparison
block, and change its sign to ‘>’. In the first ‘0’ of comparison
block drag and drop the variable ‘newnumber’.
Step 7: Drag and drop ‘set interNumber to’ and ‘set number to’
block inside the ‘while’ loop.
Programming with Arrays 63

