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3.   The _______________ function converts all uppercase letters to lowercase.

                4.   A consecutive sequence of characters which are enclosed or surrounded by single or double quotes
                   is known as a _______________ .

          Q    Answer the following questions:
            A
                1.  What is the use of functions?



                2.  What do you mean by traversing a string?




                3.   How can we call a function in Python? Explain using an example.






                4.   What are the different types of functions? Explain in detail.





                5.   Write any two built-in functions to manipulate strings.






               Scratch Your Brain.                                                         Century   #Critical Thinking
                                                                                             21 st
                                                                                            Skills
                           1.  Write the output of the following programs:
                   a.   test_str = "Good Morning"
                      print("The original string is : " + test_str)
                      hlf_idx = len(test_str)
                      res = ' '
                      for idx in range(len(test_str)):
                            if idx >= hlf_idx:
                              res+= test_str[idx].upper()
                          else:
                             res+= test_str[idx].upper()
                      print("The resultant string : " + test_str)

                    b.  def countX(st, X):

                          count = 0
                          for ele in st:
                              if(ele==X):
                                  count = count + 1
                          return count
                      st = "Orange Education"
                      X = 'a'
                      print(X,"has occurred", countX(st, X), "times")



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