What are f-strings and why are they so awesome?
f-strings is a new streamlined way of formatting strings that came with Python 3.6. Traditionally you would format a string like this:
employee = 'Bob'
role = 'Manager'
company = 'Amazon'
print('{} is a {} at {}.'.format(employee, role, company))
With f-strings you can do the same this with the following code:
employee = 'Bob'
role = 'Manager'
company = 'Amazon'
print(f'{employee} is a {role} at {company}')
Expressions in f-string
You can use python expressions inside of your curly braces.
name = 'Dog Dog'
age = 4
print(f'{name} is {age * 7} in dog years')
Performance considerations
f-strings are fast, twice as fast as format() as they are stored as bytecode.
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