what is equivalent command for GOSUB

Question

In Basic there is a command gosub (go to a subroutine). I can not find the proper command in Python to call another file, run it then come back to the next line in the main program where it went to the subroutine. What is the proper instruction?

bheemarao · Accepted Answer

Python has a way to put definitions in a file and use them in a script or in an interactive instance of the interpreter. Such a file is called a module ; definitions from a module can be imported into other modules or into the main module A module is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended. for example: fibo.py has below lines of code 
 def fib ( n ): # write Fibonacci series up to n 
 a , b = 0 , 1 
 while b < n : 
 print ( b , end = ' ' ) 
 a , b = b , a + b 
 print () 
 
 def fib2 ( n ): # return Fibonacci series up to n 
 result = [] 
 a , b = 0 , 1 
 while b < n : 
 result . append ( b ) 
 a , b = b , a + b 
 return result 
 and you can create your main file in which you need to import this fibo.py import fibo and access the function by calling it as below: fibo . fib ( 1000 ) for more help you can refer to the below link chapter-6: The Python Tutorial — Python 3.4.0 documentation