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String manipulation is useful in for loops if you want to modify some content in a string. 

word = "Marble"
for char in word:
  print char,

The example above iterates through each character in word and, in the end, prints out M a r b l e.

The , character after our print statement means that our next print statement keeps printing on the same line.

Instructions

1.

Let’s filter out the letter "A" from our string.

  • Do the following for each character in the phrase.
  • If char is an "A" or char is an "a", print "X", instead of char. Make sure to include the trailing comma.
  • Otherwise (else:), please print char, with the trailing comma.

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