name = "Alice" age = 25 print("My name is %s and I am %d years old." % (name, age))
name = "Bob" age = 30 print("My name is {} and I am {} years old.".format(name, age)) print("My name is {0} and I am {1} years old. I am also {1} years of experience in programming.".format(name, age))
pi = 3.1415926 print("The value of pi is approximately {:.2f}".format(pi))
name = "Charlie" print("|{:<10}|".format(name)) # 左对齐,宽度为 10 print("|{:>10}|".format(name)) # 右对齐,宽度为 10 print("|{:^10}|".format(name)) # 居中对齐,宽度为 10 print("|{:*^10}|".format(name)) # 居中对齐,并用 * 填充
from datetime import datetime now = datetime.now() print("Today is {:%Y-%m-%d %H:%M:%S}".format(now))
可以使用特定的格式代码来格式化日期和时间。