reviewing ex.15 to 26

sami/learn-python-the-hard-way/ex15_sample.txt

@@ -0,0 +1,3 @@
+This  is stuff I typed into a file.
+It is really cool stuff.
+Lots and lots of fun to have in here.

sami/learn-python-the-hard-way/ex18.py

@@ -5,20 +5,18 @@ print(f"arg1: {arg1}, arg2: {arg2}")
 
 # ok, that *args is actually pointless, we can just do this
 def print_two_again(arg1, arg2):
-
     print(f"arg1: {arg1}, arg2: {arg2}")
 
 # this just takes one argument
 def print_one(arg1):
-
     print(f"arg1: {arg1}")
 
 # this one takes no arguments
 def print_none():
-
     print("I got nothin'.")
 
 
+
 print_two("Zed","Shaw")
 print_two_again("Zed","Shaw")
 print_one("First!")

sami/learn-python-the-hard-way/ex25.py

@@ -0,0 +1,36 @@
+
+def break_words(stuff):
+    """This function will break up words for us."""
+    words = stuff.split(' ')
+    return words
+
+
+def sort_words(words):
+    """Sorts the words."""
+    return sorted(words)
+
+
+def print_first_word(words):
+    """Prints the first word after popping it off."""
+    word = words.pop(0)
+    print(word)
+
+
+def print_last_word(words):
+    """Prints the last word after popping it off."""
+    word = words.pop(-1)
+    print(word)
+
+
+def sort_sentence(sentence):
+    """Takes in a full sentence and returns the sorted words."""
+    words = break_words(sentence)
+    return sort_words(words)
+
+
+def print_first_and_last(sentence):
+    """Prints the first and last words of the sentence."""
+    words = break_words(sentence)
+    print_first_word(words)
+    print_last_word(words)
+