- 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 first and last occurrence
Statement
Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance of f
. If the letter f
occurs only once, then output its index. If the letter f
does not occur, then do not print anything. Don't use loops in this task.
In all the problems input the data using input()
and print the result using print()
.
Statement
Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance off
. If the letter f
occurs only once, then output its index. If the letter f
does not occur, then do not print anything. Don't use loops in this task.
In all the problems input the data using input()
and print the result using print()
.