The Joy Of Computing Using Python Week 4 Programming Assignments | NPTEL | Answers Jan 2023

The Joy of Computing using Python Week 4 - Programming Assignments | NPTEL | Answer with Explanation

"Discover the Excitement of Computing with Python | Week 4 Programming Assignment - Get ready to enhance your programming skills and deepen your understanding of the Python language with this week 4 Programming Assignments on 'The Joy of Computing using Python'. Test your knowledge and boost your confidence as a Python programmer today!"

The Joy Of Computing Using Python Week 4: Programming Assignment 1

Write a program that takes a number `n` as input and prints the sum of the squares of the first `n` positive integers.
Example:

If n = 4, the program should output 30 (1^2 + 2^2 + 3^2 + 4^2 = 30)

Answer

n = int(input())
sum_of_squares = 0

for i in range(1, n+1):
    sum_of_squares += i**2

print(sum_of_squares)

The Joy Of Computing Using Python Week 4: Programming Assignment 2

Write a Python program that takes a number `n` as input and prints the nth power of 2.
Example:
If n = 4, the program should output 16 (2^4 = 16)

Answer

n = int(input())
result = 2 ** n
print(result)

The Joy Of Computing Using Python Week 4: Programming Assignment 3

Write a program that takes a number `n` as input and prints a pyramid of numbers with `n` rows.
Example:

If n = 5, the program should output the following

    1
   232
  34543
 4567654
567898765

Answer

n=int(input())
max_row=1
max_row1=1

for row in range(1,n+1):
    b=0
    for space in range(1,n-row+1):
        print(" ",end="")

    a=row
    Left=list()
    while(a!=max_row1):
        
        if a>9:
            Left.append(str(b))
            b=b+1
        else:    
            Left.append(str(a))
        a=a+1
    if row==n:    
      print(("".join(Left)+str(max_row)+"".join(Left[::-1])),end="") 
    else:
      print(("".join(Left)+str(max_row)+"".join(Left[::-1]))) 
    if (max_row+2>9):
        max_row=-1
    max_row+=2
    max_row1+=2

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The Joy of Computing using Python Week 4,NPTEL, Week 4: Programming Assignment 1,2 and 3 [Jan 2023],noc23_cs20

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