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    Program 10 To Count the Number of Digits in a Number.

                          Program10.py
                       File  Edit  Format   Run    Options   Window    Help

                       num = int(input("Enter a number: "))
                       count = 0
                       while num > 0:
                           num = num // 10
                           count += 1
                       print("Total number of digits:", count)

                          Output

                       Enter a number: 56
                       Total number of digits: 2

                       Program 11    To print a right-angled triangle using the pattern of stars.
                                     *
                                     **
                                     ***
                                     ****
                                     *****

                          Program11.py                                                          Output

                       File  Edit  Format   Run    Options   Window    Help                  *
                                                                                             **
                       for i in range(1, 6):
                                                                                             ***
                           print("*" * i)
                                                                                             ****
                                                                                             *****

                       Program 12 To calculate and display the sum of numbers from 1 to 10.

                          Program12.py
                       File  Edit  Format   Run    Options   Window    Help

                       total = 0
                                                                                                Output
                       for i in range(1, 11):
                           total += i                                                        Sum of numbers from
                                                                                             1 to 10 is: 55
                       print("Sum of numbers from 1 to 10 is:", total)

                       92
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