python format float
>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True
formatting in python
# There are 3 different types of formatting.
>>> name = "John"
>>> age = 19
>>> language = "python"
>>> print(f"{name} of age {age} programs in {language}") # Commonly used.
John of age 19 programs in python
>>> print("%s of age %d programs in %s" %(name, age, language)) # %s for str(), %d for int(), %f for float().
John of age 19 programs in python
>>> print("{} of age {} programs in {}".format(name, age, language)) # Values inside .format() will be placed inside curly braces repectively when no index is specified.
John of age 19 programs in python
>>> print("{2} of age {1} programs in {0}".format(name, age, language)) # Index can be specified inside of curly braces to switch the values from .format(val1, val2, val3).
python of age 19 programs in John
Python string formatting
# String Formatting
name1 = 'Andrei'
name2 = 'Sunny'
print(f'Hello there {name1} and {name2}') # Hello there Andrei and Sunny - Newer way to do things as of python 3.6
print('Hello there {} and {}'.format(name1, name2))# Hello there Andrei and Sunny
print('Hello there %s and %s' %(name1, name2)) # Hello there Andrei and Sunny --> you can also use %d, %f, %r for integers, floats, string representations of objects respectively
formatted string in python
>>> name = "world"
>>> print(f"Hello {name}!)"
'Hello world!'
python format string
>>> 'Coordinates: {latitude}, {longitude}'.format(latitude='37.24N', longitude='-115.81W')
'Coordinates: 37.24N, -115.81W'
>>> coord = {'latitude': '37.24N', 'longitude': '-115.81W'}
>>> 'Coordinates: {latitude}, {longitude}'.format(**coord)
'Coordinates: 37.24N, -115.81W'
python format string
>>> nombre = 357568.12312
>>> nombre2 = 568.568768
>>> nombre3 = -34.3432
>>> nombre4 = 23
>>> print(f'{nombre : >+20_.4f} {nombre2 : >+20_.4f}')
>>> print(f'{nombre3 : >+20_.4f} {nombre4 : >+20_.4f}')
+357_568.1231 +568.5688
-34.3432 +23.0000
|