This community-built FAQ covers the “
lower()” exercise in Codecademy’s lessons on Python.
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Why do we need to put a . in front of lower()?
I noticed one thing that did throw me off a bit: In the example given, it showed the actual “string” next to .lower() instead of the variable. The code box asked us to do an exercise to lowercase parrot. I figured out what to do, however, at first I thought I was supposed to put, “parrot”.lower() because the example had “string”.lower() instead of the variable itself. It did confuse a little. But I put parrot.lower() and got the answer right.
Welcome to the forums!
.lower() method will work on any string, whether it is a string literal (for example,
"I am a string") or a variable whose values is a string (for example,
my_str = "I am a string".
It’s important to note the differences between string literals and variables containing strings. The first is always surrounded by single/double quotation marks while the latter is assigned the value of a string.