diff --git a/configs/learning_gem5/part1/simple-arm.py b/configs/learning_gem5/part1/simple-arm.py
index 62f7645c5a..fac53a78af 100644
--- a/configs/learning_gem5/part1/simple-arm.py
+++ b/configs/learning_gem5/part1/simple-arm.py
@@ -73,6 +73,6 @@ system.cpu.createThreads()
 root = Root(full_system=False, system=system)
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part1/simple-riscv.py b/configs/learning_gem5/part1/simple-riscv.py
index f05ca4ab50..6e296d5fc0 100644
--- a/configs/learning_gem5/part1/simple-riscv.py
+++ b/configs/learning_gem5/part1/simple-riscv.py
@@ -73,6 +73,6 @@ system.cpu.createThreads()
 root = Root(full_system=False, system=system)
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part1/simple.py b/configs/learning_gem5/part1/simple.py
index e36cd78c8e..3792fddc4d 100644
--- a/configs/learning_gem5/part1/simple.py
+++ b/configs/learning_gem5/part1/simple.py
@@ -113,6 +113,6 @@ root = Root(full_system=False, system=system)
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part1/two_level.py b/configs/learning_gem5/part1/two_level.py
index 8aa7dd7e83..1daf36a4f0 100644
--- a/configs/learning_gem5/part1/two_level.py
+++ b/configs/learning_gem5/part1/two_level.py
@@ -140,6 +140,6 @@ root = Root(full_system=False, system=system)
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part2/hello_goodbye.py b/configs/learning_gem5/part2/hello_goodbye.py
index e4b70ba3ae..eeb76f708f 100644
--- a/configs/learning_gem5/part2/hello_goodbye.py
+++ b/configs/learning_gem5/part2/hello_goodbye.py
@@ -50,6 +50,6 @@ root.hello.goodbye_object = GoodbyeObject(buffer_size="100B")
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part2/run_simple.py b/configs/learning_gem5/part2/run_simple.py
index be5f6ee7b8..ba91e5c36c 100644
--- a/configs/learning_gem5/part2/run_simple.py
+++ b/configs/learning_gem5/part2/run_simple.py
@@ -48,6 +48,6 @@ root.hello = SimpleObject()
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part2/simple_cache.py b/configs/learning_gem5/part2/simple_cache.py
index 4228956126..2cdebc218a 100644
--- a/configs/learning_gem5/part2/simple_cache.py
+++ b/configs/learning_gem5/part2/simple_cache.py
@@ -103,6 +103,6 @@ root = Root(full_system=False, system=system)
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")
diff --git a/configs/learning_gem5/part2/simple_memobj.py b/configs/learning_gem5/part2/simple_memobj.py
index 20f4362b81..aef3a700e5 100644
--- a/configs/learning_gem5/part2/simple_memobj.py
+++ b/configs/learning_gem5/part2/simple_memobj.py
@@ -101,6 +101,6 @@ root = Root(full_system=False, system=system)
 # instantiate all of the objects we've created above
 m5.instantiate()
 
-print("Beginning simulation!")
+print(f"Beginning simulation!")
 exit_event = m5.simulate()
-print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))
+print(f"Exiting @ tick {m5.curTick()} because {exit_event.getCause()}")