Python Programming: An Introduction to Computer Science, 3rd Ed.
Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 8, Problem 3D

Explanation of Solution

a.

Sum of “n” numbers using “while” loop:

Program:

#set the values

s = 0

i = 0

#get the input from the user

n = eval (input ("Enter the n value: "))

#check "i" is greater than or equal to "n"

while i <= n:

  #sum all the numbers

  s = s + i

  #increment the value

  ...

Explanation of Solution

b.

Sum first “n” odd numbers using “while” loop:

Program:

#set the values

s = 0

i = 1

#get the input from the user

n = eval (input ("Enter the n value: "))

#check "i" is greater than or equal to "n"

while i <= n:

  #sum all the numbers

  s = s + i

  #increment the value

 ...

Explanation of Solution

c.

Sum of “n” numbers using “while” loop:

Program:

#set the values

s = 0

#check the condition

while True:

  #get the input from the user

  n= eval(input("Enter a value: "))

  #check "n" is equal to 999

  if n == 999:

    #break the statement

    break

�...

Explanation of Solution

d.

Displaying the number of times a whole number “n” can be divided by 2 using “while” loop:

Program:

#get the input from the user

n = int(input("Enter number: "))

#set the value

count = 0

#check "n" is greater than 1

while(n>1):

  #divide the "n" by 2

  n = n // 2

  #incremen...

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