Final QA (#525)

Author: bzaczynski

python-string-interpolation/article.py

@@ -14,9 +14,9 @@ def __str__(self):
     def __repr__(self):
         return (
             f"{type(self).__name__}("
-            f"title={self.title}, "
-            f"author={self.author}, "
-            f"pub_date={self.pub_date})"
+            f"title={self.title!r}, "
+            f"author={self.author!r}, "
+            f"pub_date={self.pub_date!r})"
         )
 
 

python-string-interpolation/emails.py

@@ -12,8 +12,8 @@
 """
 
 
-def display_emails(template, data_file):
-    with open(data_file) as file:
+def display_emails(template, path):
+    with open(path) as file:
         for customer in csv.DictReader(file):
             print(template.format(**customer))
 

python-string-interpolation/format_method.py

@@ -3,7 +3,6 @@
 
 print("Hello, {}! Today is {}.".format(name, day))
 
-
 numbers = {"one": 1, "two": 2, "three": 3}
 print("{one}-{two}-{three}".format(**numbers))
 print("{one}-{two}".format(**numbers))

python-string-interpolation/modulo_operator.py

@@ -5,15 +5,15 @@
 
 x = 5
 y = 10
-print("The sum of %s and %s is %s." % (x, y, x + y))
+print("The sum of %d and %d is %d." % (x, y, x + y))
 
-template = "The sum of %s and %s is %s."
+template = "The sum of %d and %d is %d."
 print(template % (x, y, x + y))
 
 print("Hello, %s!" % "Pythonista")
 print("Hello, %s!" % ("Pythonista",))
 
-# print("Interpolating a tuple: %s" % (1, 2, 3))
+print("Interpolating a tuple: %s" % (1, 2, 3))  # Raises a TypeError
 print("Interpolating a tuple: %s" % ((1, 2, 3),))
 
 jane = {"name": "Jane", "job": "Python Dev"}

python-string-interpolation/template_strings.py

@@ -7,7 +7,7 @@
 print(Template("$greeting, $who!").substitute(greeting="Hello", who="World"))
 
 print(Template("${amount}USD").substitute(amount="100"))
-print(Template("$amountUSD").substitute(amount="100"))
+print(Template("$amountUSD").substitute(amount="100"))  # Raises a KeyError
 
 greeting = Template("Hello, $name! Today is $day.")
 print(greeting.substitute(name="John", day="Friday"))