Difference between revisions of "Python:Functions"

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=Self defined functions=
 
=Self defined functions=
  
Argument are positional but can be passed by keyword too.
+
Arguments are positional but can be passed by keyword too.
  
 
<syntaxhighlight lang='python'>
 
<syntaxhighlight lang='python'>

Revision as of 20:39, 16 June 2019

Build in function

List of all build in functions [1]

len(obj1)
Return the number of elements in obj1 (string, list, tuple, set)
max(obj1)
Return the largest item in obj1
min(obj1)

Return the smallest item in obj1

input([prompt])
Read and return input from standard input. Display 'prompt' first when provided.
int(str[,base=x)])
Convert str to an integer. Base = 2 converts bit-string presentation ('010101').

Self defined functions

Arguments are positional but can be passed by keyword too.

def main():
    function(par1,par2)
    function(par2 = <value>, par1 = <value>)
    return

def function (par1, par2 = <defaultvalue>):
    codeblock
    return

main()
def function (*args,**kwargs)
Take any number of positional arguments and put them in the tuple args
Take any number of keyword arguments and put them in the dict kwargs