Page 382 - Computer Science Class 11 Without Functions
P. 382
if color.lower() == "red":
print("STOP")
elif color.lower() == "yellow":
print("Get ready")
elif color.lower() == "green":
print("GO")
else:
print("You have not entered the correct color")
Program 22
Write a program that takes a number num as an input and prints the sum of natural numbers until the limit defined
by num.
Ans. '''
Objective: To calculate sum of first N natural numbers
Input: num
Output: sum of natural numbers until a user defined limit num
'''
num = int(input('Enter N:'))
sumUntilNum = 0
for i in range(1, num):
sumUntilNum += i
print("Sum of the N natural numbers:", sumUntilNum)
Program 23
Write a program to accept a number and display its reverse.
Ans. '''
Objective: To calculate reverse of a number
Input: number
Output: reversed number
'''
number = int(input("Enter a number: "))
reverse = 0
while number > 0:
digit = number % 10
reverse = reverse * 10 + digit
number = number // 10
print("Reverse of the number:", reverse)
380 Touchpad Computer Science-XI

