Why should I use str.format?

user_13978631 0
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What does str.format do? Why should I use it? What's the difference between using

print(a, b)

and

print("{} {}".format(a, b))

Thanks in advance.

python-3.x
1 Answers

Theformat()method takes the arguments or variables which are passed, formats them, and places them in the string wherever the placeholders{}symbol is used.

a = 5

#single formatting
b = "My name is XYZ & my age is just {}"
print (b.format(a))

#multiple formatting
c = "My name is XYZ & my age is just {}. Also I have a sibling who's age is also {}"
print(c.format(a, a))



Output:

 My name is XYZ & my age is just 5  My name is XYZ & my age is just {}. Also I have a sibling who's age is also 5

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