KwickClips Python · 41 sec · free
How do you check a palindrome in Python?
Short answer. Compare the string with its reverse: s == s[::-1], after making it lower case.
How do you count words in a sentence?
Use len(s.split()). split() ignores extra spaces.
The key line
| Program | Key line |
|---|---|
| Count vowels | ch in "aeiou" |
| Palindrome | s == s[::-1] |
| Word count | len(s.split()) |
Remember
| Lower the text first |
| Split ignores extra spaces |
Vowels, palindromes, word counts. One key line each. For vowels, check each character is in the vowel string. For a palindrome, compare with the reverse. For words, take len of split. Lower the text first. Split ignores extra spaces.
This clip is from the full lesson: Built-in String Methods — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Artificial Intelligence (417), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083)
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