🐍 Python problems

#501 String: Length of the string 🔒 #502 String: The string reversed 🔒 #503 String: The string in UPPERCASE 🔒 #504 String: The string in lowercase 🔒 #505 String: Is it a palindrome? (`Yes`/`No`) 🔒 #506 String: Number of vowels (a, e, i, o, u) 🔒 #507 String: Number of consonants (Latin letters that are not vowels) 🔒 #508 String: Number of digits 🔒 #509 String: Number of uppercase letters 🔒 #510 String: Number of words 🔒 #511 How many 'a' letters? 🔒 #512 Replace 'a' with 'o' 🔒 #513 First 2 characters 🔒 #514 Last 2 characters 🔒 #515 First 3 characters 🔒 #516 Last 3 characters 🔒 #517 First 4 characters 🔒 #518 Last 4 characters 🔒 #519 First 5 characters 🔒 #520 Last 5 characters 🔒 #521 Caesar cipher (k=1) 🔒 #522 Decode a Caesar cipher (k=3) 🔒 #523 Every 2th character 🔒 #524 Start every word with a capital letter 🔒 #525 Reverse the order of the words 🔒 #526 The longest word (if there is a tie, the first one) 🔒 #527 The shortest word (if there is a tie, the first one) 🔒 #528 Remove the vowels 🔒 #529 Remove the spaces 🔒 #530 Double every character 🔒 #531 Words longer than 3 🔒 #532 Is it a prefix? 🔒 #533 Is it a suffix? 🔒 #534 How many times does the character appear? 🔒 #535 Position of a character 🔒 #536 Remove repeated characters 🔒 #537 Compress a string 🔒 #538 Password (6+ characters) 🔒 #539 Swap upper and lower case 🔒 #540 Alternating case 🔒 #541 How many times does a substring appear? 🔒 #542 Join letters with '-' 🔒 #543 Middle character 🔒 #544 Letter numbers 🔒 #545 Atbash cipher 🔒 #546 Words with exactly 3 letters 🔒 #547 Words starting with 'b' 🔒 #548 Longest run of the same letter 🔒 #549 Pig Latin 🔒 #550 Reverse every word 🔒 #551 Is it a pangram? 🔒 #552 Hamming distance 🔒 #553 Common letters 🔒 #554 Mirror 🔒 #555 Cut to 5 characters 🔒 #556 How many 'e' letters? 🔒 #557 Replace 'e' with 'i' 🔒 #558 Caesar cipher (k=2) 🔒 #559 Decode a Caesar cipher (k=5) 🔒 #560 Every 3th character 🔒 #561 Words longer than 4 🔒 #562 Password (8+ characters) 🔒 #563 Join letters with '*' 🔒 #564 Words with exactly 4 letters 🔒 #565 Words starting with 's' 🔒 #566 Cut to 8 characters 🔒 #567 How many 'o' letters? 🔒 #568 Replace 'o' with '0' 🔒 #569 Caesar cipher (k=3) 🔒 #570 Decode a Caesar cipher (k=7) 🔒 #571 Every 4th character 🔒 #572 Words longer than 5 🔒 #573 Password (10+ characters) 🔒 #574 Join letters with '.' 🔒 #575 Words with exactly 5 letters 🔒 #576 Words starting with 'm' 🔒 #577 Cut to 10 characters 🔒 #578 How many 's' letters? 🔒 #579 Replace 's' with '$' 🔒 #580 Caesar cipher (k=4) 🔒 #581 Decode a Caesar cipher (k=11) 🔒 #582 Every 5th character 🔒 #583 Words longer than 6 🔒 #584 Password (12+ characters) 🔒 #585 Join letters with '+' 🔒 #586 Words with exactly 6 letters 🔒 #587 Words starting with 'p' 🔒 #588 How many 't' letters? 🔒 #589 Replace 'i' with '1' 🔒 #590 Caesar cipher (k=5) 🔒 #591 Decode a Caesar cipher (k=13) 🔒 #592 Words longer than 7 🔒 #593 Words starting with 'r' 🔒 #594 How many 'n' letters? 🔒 #595 Replace ' ' with '_' 🔒 #596 Caesar cipher (k=6) 🔒 #597 How many 'l' letters? 🔒 #598 Caesar cipher (k=7) 🔒 #599 Caesar cipher (k=8) 🔒 #600 Caesar cipher (k=9) 🔒