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ewis:laboratoare:01 [2021/03/09 21:44] alexandru.predescu [Data types in Python] |
ewis:laboratoare:01 [2021/03/17 17:07] (current) alexandru.predescu |
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| * **sort** is used for ordering the list<code python>list1.sort()</code> | * **sort** is used for ordering the list<code python>list1.sort()</code> | ||
| * List comprehension is used to create a new list based on existing list elements<code>newlist = [x*10 for x in list1]</code> | * List comprehension is used to create a new list based on existing list elements<code>newlist = [x*10 for x in list1]</code> | ||
| - | * **range** can be used to create a list of consecutive values between two values | + | * **range** can be used to create a list of numbers<code> |
| - | <code> | + | |
| # create a list from given start/end values | # create a list from given start/end values | ||
| list(range(1,10)) | list(range(1,10)) | ||
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| **T5 (1p)** Write a simple program that asks for a number and prints if the number is even or odd | **T5 (1p)** Write a simple program that asks for a number and prints if the number is even or odd | ||
| - | Tip: use the **input** function to get the user input: <code python>n=int(input("Enter a number")) | + | Hint: use the **input** function to get the user input: <code python>n=int(input("Enter a number")) |
| </code> | </code> | ||
| Use the **%** operator to check if the number is divisible by 2 | Use the **%** operator to check if the number is divisible by 2 | ||
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| **T7 (1p)** Having a list of numbers, write a Python program to print **only** even numbers one by one | **T7 (1p)** Having a list of numbers, write a Python program to print **only** even numbers one by one | ||
| - | Tip: Using lists, for loop, if else, **%** operator | + | Hint: Using lists, for loop, if else, **%** operator |
| </note> | </note> | ||
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| **T9 (1p)** Using a while loop, print the digits of a number one by one, e.g. 12345 has the following digits: 1,2,3,4,5 | **T9 (1p)** Using a while loop, print the digits of a number one by one, e.g. 12345 has the following digits: 1,2,3,4,5 | ||
| - | Tip: Use the **%** operator to get the last digit of a number divided by 10<code>12345 % 10 = 5</code>Then perform integer division by 10 until there are no more digits<code>12345 // 10 = 1234</code> | + | Hint: Use the **%** operator to get the last digit of a number divided by 10<code>12345 % 10 = 5</code>Then perform integer division by 10 until there are no more digits<code>12345 // 10 = 1234</code> |
| **T10 (1p)** In T9, you (most probably) printed the digits in reverse order. Using a list and a for loop, print the digits in the correct order. You may use the following method to reverse a list | **T10 (1p)** In T9, you (most probably) printed the digits in reverse order. Using a list and a for loop, print the digits in the correct order. You may use the following method to reverse a list | ||
