what is the role of . in command python code example

Example 1: python functions

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!

Example 2: functions in python

#Functions
#Functions are followed by the 'def' keyword
#Name your function
def myfunc():
  a = 'This is a func'
  
#Calling the function  
myfunc()
print(myfunc())

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Javascript Example

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