在Python中,可以使用字符串的format()方法来格式化字符串。format()方法允许我们在字符串中插入变量或值,并指定它们的格式。下面是一些常见的格式化字符串的方法:
name = "Alice"
age = 25
print("My name is {} and I am {} years old.".format(name, age))
输出结果为:My name is Alice and I am 25 years old.
num = 10
pi = 3.14159
print("The number is {:d} and the value of pi is {:.2f}".format(num, pi))
输出结果为:The number is 10 and the value of pi is 3.14
name = "Bob"
age = 30
print("My name is {1} and I am {0} years old.".format(age, name))
输出结果为:My name is Bob and I am 30 years old.
name = "Charlie"
age = 35
print("My name is {name} and I am {age} years old.".format(name=name, age=age))
输出结果为:My name is Charlie and I am 35 years old.
总结:格式化字符串是在Python中处理字符串时非常常见的操作。通过使用format()方法,我们可以灵活地插入变量或值,并指定它们的格式。这样可以使代码更加清晰和易读。
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