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STEP AHEAD WITH
9 PYTHON
PRIMARY PREVIEW
Functions
Strings
Lists
Libraries in Python
I keep writing the same code again and
again. Is there any easier way to do this?
Yes, AVINA. Use a function:
write once, call anytime.
Nice! But what if I want to store
names or subjects?
Use strings, like “Yash” or “Math”.
Does this work for square roots Import libraries in Python—they give you
or random numbers too? ready-made functions. Let’s explore
them in this chapter.
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Step Ahead with Python
