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P. 125

Scratch Your Brain.                                                       21 st  Century   #Critical Thinking
                                                                                                      Skills
                       1.  Write the output of the following programs:

                           a.  sum = 0

                               for x in range(1, 11):
                                   sum =sum+ x
                               print(sum)

                           b.   for i in range (2, 100, 2):

                                   if i % 3 == 0:

                                       break
                                   print(i)


                           c.   total_sum = 0

                               num = 1
                               while num <= 5:

                                   total_sum += num
                                   num += 1
                                 print("The sum of numbers from 1 to 5 is:", total_sum)


                           d.  num = 5

                               factorial = 1
                               i = 1

                               while i <= num:
                                   factorial *= i

                                   i += 1
                                 print("The factorial of", num, "is:", factorial)


                          e.  correct_number = 7
                               user_guess = 0

                               while user_guess != correct_number:
                                    user_guess = int(input("Guess the number
                                    (between 1 and 10): "))
                                   if user_guess == correct_number:

                                        print("Congratulations! You guessed the
                                         correct number.")
                                   else:
                                       print("Wrong guess. Try again!")
                               print("Game over.")



                                                                                                 Loops in Python   123
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