venture of iit bombay vjti alumni now you can call printme function printme(" ' first call to user defined function!"printme("again second call to the same function"when the above code is executedit produces the following result ' first call to user defined functionagain second call to the same function pass by reference vs value all parameters (argumentsin the python language are passed by reference it means if you change what parameter refers to within functionthe change also reflects back in the calling function for example #!/usr/bin/python function definition is here