fix(curriculum): restore commented function call in step 51, python cipher project (#54874)

curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6553efd6ada3f42aa2d75448.md

@@ -18,18 +18,10 @@ Parameters are variables that you can use inside your function. A function can b
 
 Modify your function declaration so that it takes two parameters called `message` and `offset`.
 
-After that, you'll see an error appear in the terminal. As a temporary fix, comment out the `caesar()` call.
+After that, you'll see an error appear in the terminal. You'll see how to solve it in the next steps.
 
 # --hints--
 
-You should comment out the `caesar()` function call.
-
-```js
-({test: () => assert(runPython(
-    `not _Node(_code).find_calls('caesar')`
-))})
-```
-
 Your `caesar` function should take `message` and `offset` as the parameters. Remember to separate the parameters with a comma.
 
 ```js
@@ -45,6 +37,7 @@ text = 'Hello Zaira'
 shift = 3
 --fcc-editable-region--
 def caesar():
+--fcc-editable-region--
     alphabet = 'abcdefghijklmnopqrstuvwxyz'
     encrypted_text = ''
 
@@ -59,5 +52,4 @@ def caesar():
     print('encrypted text:', encrypted_text)
 
 caesar()
---fcc-editable-region--
 ```

curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6553f3fc92741c2bf8ded140.md

@@ -46,6 +46,6 @@ def caesar(message, offset):
     print('plain text:', text)
     print('encrypted text:', encrypted_text)
 
-#caesar()
+caesar()
 --fcc-editable-region--
 ```

curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6553f4f66099802c6ae94613.md

@@ -7,7 +7,7 @@ dashedName: step-53
 
 # --description--
 
-Now, uncomment your `caesar()` call. You'll see that your code raises a `TypeError`, because the `caesar` function is defined with two parameters (`message` and `offset`), therefore it expects to be called with two *arguments*.
+Currently, your code raises a `TypeError`, because the `caesar` function is defined with two parameters (`message` and `offset`), therefore it expects to be called with two *arguments*.
 
 Calling `caesar()` without the required arguments stops the execution of the code.
 
@@ -47,6 +47,6 @@ def caesar(message, offset):
     print('plain text:', message)
     print('encrypted text:', encrypted_text)
 --fcc-editable-region--
-# caesar()
+caesar()
 --fcc-editable-region--
 ```