Python: How to find factorial Using math
I have explained how to find factorial for a given number in Python using my own script fact.fy.
A module is created as a script file, which contains function definitions that can be called in two ways:
A module is created as a script file, which contains function definitions that can be called in two ways:
How to import a Script from Linux to Python Session.
# This program illustrates the designing/creation of a module
def factorial(n):
"This module computes factorial"
f=1;
for i in range (1, n+1):
f=f*i;
print(f)
return In interpreter...
>>> import fact ==> Import from Linux
>>>fact.factorial(5)
120
>>> import fact ==> Import from Linux
>>>fact.factorial(5)
120
What is script reloading?
The Python interpreter imports a module only once in a session.If some modifications are performed in the script, then it must be reloaded (imported) again in the interpreter for future use.
A script is a reusable component and you can add n number of functions inside of it.
Directory function in Python.
In order to see the list of function names defined in a module, Python is provided with a built-in function called dir().It displays the list
of all the function definition names as follows:
>>>dir()
Another way if we give 'module' name in dir(), you will get a list of all functions inside of it.
['__builtins__', '__cached__', '__doc__', '__file__',
'__loader__','__name__', '__package__','__spec__',
'fib']
Another way if we give 'module' name in dir(), you will get a list of all functions inside of it.
>>>dir(mymodule)
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