pangram/pangram.py

-Original file line number
+Diff line change
@@ -1,2 +1,31 @@
-    def is_pangram(sentence):
-        pass
+    """
+    Pangram.
+    You work for a company that sells fonts through their website. They'd like to
+    show a different sentence each time someone views a font on their website.
+    To give a  comprehensive sense of the font, the random sentences should use
+    all the letters in the English alphabet.
+    They're running a competition to get suggestions for sentences that they can
+    use. You're in charge of checking the submissions to see if they are valid.
+    """
+    def is_pangram(sentence: str) -> bool:
+        """
+        Verify that the random sentences uses all the letters in the English.
+        :param sentence: The sentence to check for pangram validity
+        :type sentence: str
+        :return: True if the sentence contains all 26 letters of the English,
+                 False otherwise
+        :rtype: bool
+        """
+        # Empty string
+        if not sentence:
+            return False
+        # Convert sentence to lowercase and extract unique alphabetic characters
+        unique_letters: set = set(
+            char for char in sentence.lower() if char.isalpha()
+        )
+        return len(unique_letters) == 26

pangram/pangram_test.py

-Original file line number
+Diff line change
@@ -1,3 +1,5 @@
+    # pylint: disable=C0114, C0115, C0116, R0904
     # These tests are auto-generated with test data from:
     # https://github.com/exercism/problem-specifications/tree/main/exercises/pangram/canonical-data.json
     # File last updated on 2023-07-19
@@ Expand Down @@

solutions/python/pangram/1/pangram.py

[Sync Iteration] python/pangram/1 #95

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Merged

ikostan merged 9 commits into main from exercism-sync/c4922054a0a56b42

Sep 3, 2025

-Original file line number
+Diff line change
@@ -1,2 +1,31 @@
-    def is_pangram(sentence):
-        pass
+    """
+    Pangram.
+    You work for a company that sells fonts through their website. They'd like to
+    show a different sentence each time someone views a font on their website.
+    To give a  comprehensive sense of the font, the random sentences should use
+    all the letters in the English alphabet.
+    They're running a competition to get suggestions for sentences that they can
+    use. You're in charge of checking the submissions to see if they are valid.
+    """
+    def is_pangram(sentence: str) -> bool:
+        """
+        Verify that the random sentences uses all the letters in the English.
+        :param sentence: The sentence to check for pangram validity
+        :type sentence: str
+        :return: True if the sentence contains all 26 letters of the English,
+                 False otherwise
+        :rtype: bool
+        """
+        # Empty string
+        if not sentence:
+            return False
+        # Convert sentence to lowercase and extract unique alphabetic characters
+        unique_letters: set = set(
+            char for char in sentence.lower() if char.isalpha()
+        )
+        return len(unique_letters) == 26

-Original file line number
+Diff line change
@@ -1,3 +1,5 @@
+    # pylint: disable=C0114, C0115, C0116, R0904
     # These tests are auto-generated with test data from:
     # https://github.com/exercism/problem-specifications/tree/main/exercises/pangram/canonical-data.json
     # File last updated on 2023-07-19
@@ Expand Down @@

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