python interpolation f sytnax code example
Example 1: python string interpolation
name = 'World'
program = 'Python'
print(f'Hello {name}! This is {program}')
Example 2: f string repr
>>> color = "blue\ngreen"
>>> day = datetime.date(2020, 6, 4)
>>> f"Color is {color} and day is {day}"
'Color is blue\ngreen and day is 2020-06-04'
>>> f"Color is {color!r} and day is {day!r}"
"Color is 'blue\\ngreen' and day is datetime.date(2020, 6, 4)"
Example 3: format specificer f strings python
val = 12.3
print(f'{val:.2f}')
print(f'{val:.5f}')