Final QA

Author: gahjelle

name-main-idiom/echo.py

@@ -1,9 +1,7 @@
 def echo(text: str, repetitions: int = 3) -> str:
     """Imitate a real-world echo."""
-    echoed_text = ""
-    for i in range(repetitions, 0, -1):
-        echoed_text += f"{text[-i:]}\n"
-    return f"{echoed_text.lower()}."
+    echoes = [text[-i:].lower() for i in range(repetitions, 0, -1)]
+    return "\n".join(echoes + ["."])
 
 
 if __name__ == "__main__":

name-main-idiom/echo_args.py

@@ -3,10 +3,8 @@
 
 def echo(text: str, repetitions: int = 3) -> str:
     """Imitate a real-world echo."""
-    echoed_text = ""
-    for i in range(repetitions, 0, -1):
-        echoed_text += f"{text[-i:]}\n"
-    return f"{echoed_text.lower()}."
+    echoes = [text[-i:].lower() for i in range(repetitions, 0, -1)]
+    return "\n".join(echoes + ["."])
 
 
 def main() -> None:

name-main-idiom/echo_demo.py

@@ -1,9 +1,7 @@
 def echo(text: str, repetitions: int = 3) -> str:
     """Imitate a real-world echo."""
-    echoed_text = ""
-    for i in range(repetitions, 0, -1):
-        echoed_text += f"{text[-i:]}\n"
-    return f"{echoed_text.lower()}."
+    echoes = [text[-i:].lower() for i in range(repetitions, 0, -1)]
+    return "\n".join(echoes + ["."])
 
 
 if __name__ == "__main__":