This tutorial explains about Difference between Python 2.x and Python 3.x
Python 3. is the latest version released. 2.x is not supported now.
3 version is not backward compatible with the 2 version.
Difference between Python 2 and 3 version
Let’s see the differences
- Shebang Comment.
It is a comment in your first line of a code, that tells to OS about the interpreter location to use for execution
For 2.x version, Shebang syntax is #!/usr/bin/python
#!/usr/bin/python
print "Hello "
#!/usr/bin/python3 is shebang comment for Python3 version
#!/usr/bin/python3
print("Hello")
- IDLE Command
IDLE is a simple Python editor for writing and executing code
idle is a command to start the editor in 2. x version, whereas idle3 is a command to open in 3.x version
- print command syntax. print command outputs the string into the output console.
- x version has a print command without braces.
print "Hello World"
3.x version has a print command with braces and string
print("Hello World");
- pip command changes
pip is a package manager to manage third-party packages.
pip is a command in 2.x version To install and uninstall a package
pip install package
pip uninstall package
pip3 is a command in 3.x version
pip3 install package
pip3 uninstall package