- 1. Input, print and numbers
- 2. Integer and float numbers
- 3. Conditions: if, then, else
- 4. For loop with range
- 5. Strings
- 6. While loop
- 7. Lists
- 8. Functions and recursion
- 9. Two-dimensional lists (arrays)
- 10. Sets
- 11. Dictionaries
- 12. JavaScript
- 13. HTML5 and CSS
- 14. Responsive Design with Bootstrap
- 15. jQuery
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The number of pairs of equal
Statement
Given a list of numbers, count how many element pairs have the same value (are equal). Any two elements that are equal to each other should be counted exactly once.
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In all the problems input the data using input() and print the result using print().
Statement
Given a list of numbers, count how many element pairs have the same value (are equal). Any two elements that are equal to each other should be counted exactly once.Advertising by Google, may be based on your interests
In all the problems input the data using input() and print the result using print().