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# Replace 1 with 4
s = {1, 2, 3}
s.remove(1)
s.add(4)
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# Syntax - str.replace(old, new [, count])
song = 'cold, cold heart'
replaced_song = song.replace('o', 'e')
# The original string is unchanged
print('Original string:', song)
print('Replaced string:', replaced_song)
song = 'let it be, let it be, let it be'
# maximum of 0 substring is replaced
# returns copy of the original string
print(song.replace('let', 'so', 0))
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# string.replace(old, new, count), no import is necessary
text = "Apples taste Good."
print(text.replace('Apples', 'Bananas')) # use .replace() on a variable
Bananas taste Good. <---- Output
print("Have a Bad Day!".replace("Bad","Good")) # Use .replace() on a string
Have a Good Day! <----- Output
print("Mom is angry!".replace("Mom","Dad").replace("angry","happy")) #Use many times
Dad is angry! <----- Output