Chapter 03 - Working With Functions

Chapter 03 - Working With Functions

1. Write a function that takes amount in dollars and dollar to rupees conversion price; it then returns the amount converted to rupees. Create the function in both void and non-void forms.

       

            YOUR CODE HERE

       

2.Write a function to calculate volume of a box with appropriate default values for its parameters. Your function should have the following input parameters:

(a) length of box; (b) width of box; (c) height of box.

Test it by writing complete program to invoke it.

       

           YOUR CODE HERE

       

3. Write a program to have following functions:

(i) a function that takes a number as argument and calculates cube for it. The function does not return a value. If there is no value passed to the function in function call, the function should calculate cube of 2.

def CubeOfNumber(user_input=2):
    print('Cube of',user_input,'is',user_input**3)
user_input=eval(input("Please insert a number: "))
CubeOfNumber(user_input)
CubeOfNumber()

       

(ii) a function that takes two char arguments and returns True if both the arguments are equal otherwise False.

Test both these functions by giving appropriate function call statements.

def compare(a,b):
 if a==b:
  return True
 else:
  return False
a=input("Enter first character: ") 
b=input("Enter second character: ")  
compare(a,b)   

4.Write a function that receives two numbers and generates a random number from that range. Using this function, the main program should be able to print three numbers randomly.

from random import randint
def randomNumber(a,b):
 c=randint(a,b)
 return c

a=int(input('first number: '))
b=int(input('second number: '))
print('three random numbers between',a,'and',b,'are', randomNumber(a,b),',',randomNumber(a,b),'and',randomNumber(a,b))    

5. Write a function that receives two arguments and checks whether they are same-length strings(returns True in this case otherwise false).

def checkLength(a,b):
 if len(a)==len(b):
  return True
 else:
  return False

a=input('Enter first string: ')
b=input('Enter second string: ') 
print(checkLength(a,b))       

6. Write a function namely nth Root() that receives two parameters x and n and returns nth root of x i.e., x^(1/n).

The default value of n is 2.

def nthRoot(x,n=2):
 x=x**(1/n)
 return x

x=int(input('Enter a number: ') )
n=int(input('Enter root value: '))

print(nthRoot(x,n))
print(nthRoot(x))    

7. Write a function that takes a number n and then returns a randomly generated number having exactly n digits (not starting with zero) e.g., if n is 2 then function can randomly return a number 10-99 but 07, 02 etc. are not valid two digit numbers.

       
from random import randint
def randomNumber(n):
 start='1'
 end=' ' 
 for i in range(n-1):
  start=start+'0'
 for i in range(n):
  end=end+'9'
  
 randomNumber=randint(int(start),int(end))
 return randomNumber
n=int(input('Enter a number :'))
print(randomNumber(n))

       

8. Write a function that takes two numbers and returns the number that has minimum one's digit.

def compare(a,b):
 c=len(a)-1
 d=len(b)-1
 
 if int(a[c])>int(b[d]):
  return b
 else:
  return a
a=str(input('Enter 1st number: ')) 
b=str(input('Enter 2nd number: '))
print(compare(a,b))     

9. Write a program that generates a series using a function which h takes first and last values of the series and then generates four terms that are equidistant e.g., if two numbers passed are 1 and 7 then function returns 1 3 5 7.