在處理復(fù)雜的字符串格式化需求時,可以使用字符串的.format()方法來實現(xiàn)。這方法支持傳入?yún)?shù)進行替換,并提供一些高級功能來處理不同情況下的字符串格式化需求。
下面是一些示例來說明如何處理復(fù)雜的字符串格式化需求:
name = "Alice"
age = 30
formatted_string = "My name is {}, and I am {} years old.".format(name, age)
print(formatted_string)
person = {"name": "Bob", "age": 25}
formatted_string = "My name is {name}, and I am {age} years old.".format(**person)
print(formatted_string)
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
person = Person("Charlie", 35)
formatted_string = "My name is {0.name}, and I am {0.age} years old.".format(person)
print(formatted_string)
value = 123.456789
formatted_string = "The value is {:.2f}".format(value)
print(formatted_string)
formatted_string = "The number is {:d}".format(42)
print(formatted_string)
formatted_string = "The number is {:.2f}".format(42.0)
print(formatted_string)
formatted_string = "The number is {:b}".format(42)
print(formatted_string)
通過結(jié)合使用這些功能,可以處理各種復(fù)雜的字符串格式化需求,使得代碼更加清晰和易于維護。