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def multiply(a, b):
return a * b
print(multiply(4, 4))
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def myFunction(say): #you can add variables to the function
print(say)
myFunction("Hello")
age = input("How old are you?")
myFunction("You are {} years old!".format(age))
#this is what you get:
Hello
How old are you?
>>11 #lol my real age actually
You are 11 years old!
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def function():
print('This is a basic function')
function()
// Returns 'This is a basic function'
def add(numA, numB):
print(numA+numB)
add(1,2)
// Returns 3
def define(value):
return value
example = define('Lorem ipsum')
print(example)
// Returns 'Lorem ipsum'
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#Letters, Nums,
#& underscores
#only, can't =7
#start w/ num | _ 5 is the default value if no
# | | | value is passed
# v v v
def funcName(param1, param2=5): #The colon terminates func header
str(param1) #Typecasting is temparary
strVar = str(param1) # To make typecast perma, assign to var
param1 = param2 # 5 is passed to param1
return param1 # 5 is returned
# ^ ^
# | |_ return value is optional, if no return value, func
#Optional will end returning to func call
#return
x = funcName(7)
print(x) # prints 5
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#plz suscribe my youtube channel --> https://www.youtube.com/channel/UC-sfqidn2fKZslHWnm5qe-A
# Parameter of the function
# |
def greetings(Name):
#Content inside the function
print("Hello",Name)
print("How are you",Name)
print(greetings("Python devloper"))
# ^
# |
# Argument of the function
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# first we have to write 'def'
# then our function name followed by ()
# and a ':' abd defining block of code
def multiply(): # naming convention could be same as variable for functions
product = 10.5 * 4
return product
product = multiply()
print(product)
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def test_function(argument1,argument2,argument3) :
# Do something with the code, and the arguments.
print(argument1)
print(argument2)
print(argument3)
# Calling the function.
test_function('Hello','World','!')
# Output
'''
Hello
World
!
'''
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#to create a function in python, do the following
#create func
def func(): #can add variables inside the brackets
print("This is the function of the func")
# to call a function, do the following
func()
#you would get a line of code saying "This is the function of the func"
# By Codexel
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def add(number):
equation = 5 + number
print(equation)
add(10)
output:
15
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#Function Tutoral:
def hello():
print("hello")
"""To make a function, it needs def then nameOfFunction() and a : to
make the function work, you don't need a closing tag, as long as there is
tabbed section."""
def add(a, b): #This time, there is two inputs for the function to prossess.
c = a + b
return c
"""What the function above does is you input 2 numbers, and then it returns
#The Value c, Calling it is as simple as add(5, 1)
#What return does, is it almost makes a varible. So you can do:
#70 + add(10, 20) and it will return with: 100. This is because it will
go 70 + 30, as the function returned 30 because the inputs were 10 and 20."""
"""Functions can be called by code, as long as the function has already
been defined. Hope this helped you in your python journey!"""