“Formatage de chaîne Python” Réponses codées

chaînes de formatage python

Number		Format		Output   					Description
3.1415926	{:.2f}		3.14			Format float 2 decimal places
3.1415926	{:+.2f}		+3.14			Format float 2 decimal places with sign
-1	{:+.2f}				-1.00					Format float 2 decimal places with sign
2.71828	{:.0f}			3					Format float with no decimal places
5	{:0>2d}				05						Pad number with zeros (left padding, width 2)
5	{:x<4d}				5xxx					Pad number with x’s (right padding, width 4)
10	{:x<4d}				10xx					Pad number with x’s (right padding, width 4)
1000000	{:,}			1,000,000	      Number format with comma separator
0.25	{:.2%}		    25.00%	         Format percentage
1000000000	{:.2e}		1.00e+09		Exponent notation
13	{:10d}	      	    13				Right aligned (default, width 10)
13	{:<10d}				13						Left aligned (width 10)
13	{:^10d}	    		13					Center aligned (width 10)
armin

formatage en 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
Action Kamen

Méthode Python Format () pour la mise en forme des chaînes

# Python string format() method

# default(implicit) order
default_order = "{}, {} and {}".format('John','Bill','Sean')
print('\n--- Default Order ---')
print(default_order)

# order using positional argument
positional_order = "{1}, {0} and {2}".format('John','Bill','Sean')
print('\n--- Positional Order ---')
print(positional_order)

# order using keyword argument
keyword_order = "{s}, {b} and {j}".format(j='John',b='Bill',s='Sean')
print('\n--- Keyword Order ---')
print(keyword_order)
SAMER SAEID

chaîne de format python

>>> 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
Calm Crane

comment faire la mise en forme en python avec la fonction de format

age = 36
txt = "his age is {}"
print(txt.format(age))
Programmer of empires

Formatage de chaîne Python

>>> print("He said, "What's there?"")
...
SyntaxError: invalid syntax
>>> print('He said, "What's there?"')
...
SyntaxError: invalid syntax
SAMER SAEID

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