Merge 9617317345 into 10872e02d1

add docker init command to docker cheatsheet

languages/C.txt

@@ -149,6 +149,7 @@ Operators
   ^=   	bitwise exclusive or and store
   |=   	bitwise or and store
   ,    	separator as in   ( y=x,z=++x )
+  ;     statement terminator.
 
 
 Operator precedence

languages/python.md

@@ -125,6 +125,27 @@
 |  \|= | bitwise or and store|
 |  , | separator as in   ( y=x,z=++x )|
 
+<br>
+
+## Comments
+
+- Comments are very helpful to explain a Python code.
+
+- They are used to make the code more readable.
+
+- They never get executed.
+
+- Comments start with # in Python.
+
+    ```python
+    
+    #This is a comment
+
+    print("Welcome!")
+    
+    ```
+<br>
+
 ### Basic Data Structures
 
 ### List

tools/docker.sh

@@ -2,7 +2,7 @@
 # DOCKER
 ##############################################################################
 
-
+docker init                                 # Creates Docker-related starter files 
 docker build -t friendlyname .              # Create image using this directory's Dockerfile
 docker run -p 4000:80 friendlyname          # Run "friendlyname" mapping port 4000 to 80
 docker run -d -p 4000:80 friendlyname       # Same thing, but in detached mode