Day 11
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1.Functions
2.Recursive Function and lambda  Functions
3.Map,filter,reduce.

Questions[Theory]:
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1.What is  mean by functions in python?
2.What are the types of functions?
3.How will you declare the functions?
4.How many values it will return?
5.What is the use of * operator in python functions?
6.What is lambda function in Python?
7.What is a recursive function?
8.What is an anonymmous function?
9.What is  differencce between filter() and map()?
10.What is reduce() and in which module it is present?
11.What is keyword used for function deceleration?
12.What is use of ** operator in python functions?
13.What is difference between * and ** functions? 
14.Can we able to change value of global variable?

Questions[Practical]:
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QUESTION 1:
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QUESTION 1.1:
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Functions  : emp_Id(),emp_Name(),emp_Dob(),emp_Phone(),emp_Email(),emp_Address()

Description: Create the above functions without arguments

QUESTION 1.2:
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Functions  : greens_Omr(),greens_Adayar(),greens_Tambaram(),greens_Velacherry(),greens_Anna_Nagar()

Description: Create the above functions with passing some arguments

QUESTION 2:
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QUESTION 2.1:
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Functions  : add(),sub()

Description: Create the above function and pass two arguments and returntype of one value

QUESTION 2.2:
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Functions  : calculator()

Description: Create the above function and pass two arguments and  returntype of multiple values


QUESTION 3:
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QUESTION 3.1:
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Description:Find the output for the below function

def my_function(fname, lname):
  print(fname + " " + lname)

my_function("Harry")


QUESTION 3.2:
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Description:Find the output for the below function

def my_function(country = "Norway"):
  print("I am from " + country)

my_function("Sweden")
my_function("India")
my_function()
my_function("Brazil")


QUESTION 4:
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Functions  : company_details(),employee_details()

Description: Create the below functions with three arguments with the default return type

QUESTION 5:
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Functions  : details(),names()

Description: Create the below functions with variable argument length 

QUESTION 6:
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QUESTION 6.1:
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Description:Find the output for the below code 

def computer_names(*names):
  print(names)
computer_names(name1="hp",name2="sony",name3="dell")

QUESTION 7:
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Arguments : country_name,area_covered,country_population,no_of_states,no_of_unionterritories

Description: Create a function named as country_details and pass the above arguments 
             print the values one by one

QUESTION 8:
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QUESTION 8.1:
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Description: Create a recursive function of your own and print the word "Welcome"

Output :
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Welcome 1
.
.
.
.


QUESTION 8.2:
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Description:Create a recursive function of your own and print the word "python" upto 100 times

Output :
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python 1
.
.
.
.
python 99

QUESTION 8.3:
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Description:Write a program for factorial of 5 using recursion

Output :
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120


QUESTION 9:
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QUESTION 9.1:
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Description: Using lambda function perform addition,subtraction and multiplication 

QUESTION 9.2:
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Description: Using lambda function perform cube of given number 

QUESTION 9.3:
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Description: Using lambda function check whether given number is odd or Even

QUESTION 9.4:
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Description: Using lambda function perform squareroot of given number


QUESTION 10:
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Description: Using filter print only the even numbers from the list

Input  : [1, 5, 4, 6, 8, 11, 3, 12]

Output : [4, 6, 8, 12]

QUESTION 11:
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Description: Using map write a program to double each item in a list

Input  :[2, 4, 8, 11, 24, 10, 3, 27]

Output :[4, 8, 16, 22, 48, 20, 6, 54]


QUESTION 12:
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QUESTION 12.1:
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Description:Using reduce write a program to add the numbers

Input  :[1,2,4,3]

Output :
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10

QUESTION 12.2:
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Description:Using reduce write a program to multiply the numbers

Input  :[2,6,11,24,27]

Output :
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85536