在Python中,打印变量的值通常使用`print()`函数。以下是一些基本的使用方法:
1. 打印字符串:
print("Hello, World!")
2. 打印变量的值:
x = 10
print(x)
3. 打印多个变量的值:
x = 10
y = 20
print(x, y)
4. 打印表达式的结果:
x = 10
y = 20
print(x + y)
5. 格式化输出:
name = "Alice"
age = 25
print("My name is {} and I am {} years old."
6. 使用`sep`和`end`参数控制输出格式:
print("Hello", "world", sep=" ", end="!\n")
7. 打印字典的值:
my_dict = {"name": "Alice", "age": 20, "city": "Beijing"}
for key in my_dict:
print(my_dict[key])
8. 使用`format()`方法格式化字符串:
name = "Alice"
age = 25
print("My name is {} and I am {} years old."
9. 打印格式化浮点数:
print("%.2f" % 3.)
以上是Python中打印值的基本方法。