.upper() method takes a string and returns a copy of that string in which all letters are uppercase. Numbers and symbols are not changed.
.upper()method does not change the string it is used on.
The following example shows how
.upper() returns a string with all its letters in uppercase. It also shows that the original string remains unchanged:
my_string = "shout"print(my_string)print(my_string.upper())print(my_string)
This would output:
The following example shows how the
.upper() method can be used to compare strings:
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