describe

A pangram is a sentence where every letter of the English alphabet appears at least once.

Given a string sentence containing only lowercase English letters, return true if sentence is a pangram, or false otherwise.

Example 1:

Input: sentence = "thequickbrownfoxjumpsoverthelazydog"
Output: true
Explanation: sentence contains at least one of every letter of the English alphabet.
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Example 2:

Input: sentence = "leetcode"
Output: false
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Note:

1 <= sentence.length <= 1000
sentence consists of lowercase English letters.
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parsing

Find out if a string contains all lowercase English letters. The solution is simple: count the number of characters in the string to form a dictionary C, and determine whether the number of keys in C is greater than or equal to 26.

answer

class Solution(object):
    def checkIfPangram(self, sentence):
        """
        :type sentence: str
        :rtype: bool
        """
        if len(sentence)<26:
            return False
        return len(collections.Counter(sentence).keys())>=26

        	      
		
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The results

Each node in the linked list Is linked to the given node in the linked list. Submissions in the Python online submissions for Check if the Sentence Is Pangram.Copy the code

Original link: leetcode.com/problems/ch…

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