primeiro commit com exercicios de Exercism realizados até esta data

python/little-sisters-essay/string_methods.py

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+"""Functions to help edit essay homework using string manipulation."""
+
+
+def capitalize_title(title):
+    """Convert the first letter of each word in the title to uppercase if needed.
+
+    :param title: str - title string that needs title casing.
+    :return: str - title string in title case (first letters capitalized).
+    """
+    return title.title()
+
+
+def check_sentence_ending(sentence):
+    """Check the ending of the sentence to verify that a period is present.
+
+    :param sentence: str - a sentence to check.
+    :return: bool - return True if punctuated correctly with period, False otherwise.
+    """
+    return sentence[-1] == "."
+
+
+def clean_up_spacing(sentence):
+    """Verify that there isn't any whitespace at the start and end of the sentence.
+
+    :param sentence: str - a sentence to clean of leading and trailing space characters.
+    :return: str - a sentence that has been cleaned of leading and trailing space characters.
+    """
+    return sentence.strip()
+
+
+def replace_word_choice(sentence, old_word, new_word):
+    """Replace a word in the provided sentence with a new one.
+
+    :param sentence: str - a sentence to replace words in.
+    :param old_word: str - word to replace.
+    :param new_word: str - replacement word.
+    :return: str - input sentence with new words in place of old words.
+    """
+    return sentence.replace(old_word, new_word)