Python operator.truth（）函数与示例

operator.truth()函数 (operator.truth() Function)

operator.truth() function is a library function of operator module, it is used to check whether the given value is a true/truthy value or not, it returns True if the given value is a true/truthy value, False, otherwise.

operator.truth()函数是操作员模块的库函数，用于检查给定值是否为真/真值，如果给定值为真/真值，则返回True ，否则返回False 。

Module:

模块：

    import operator

Syntax:

句法：

    operator.truth(x)

Parameter(s):

参数：

x – value to be checked true/truthy.
x –要检查的值为真/真。

Return value:

返回值：

The return type of this method is bool, it returns True if x is a true/truthy value, False, otherwise.

此方法的返回类型为bool ，如果x是一个真值或真值，则返回True ，否则返回False 。

Example:

例：

# Python operator.truth() Function Example
import operator
print("operator.truth(True):", operator.truth(True))
print("operator.truth(False):", operator.truth(False))
print()
x = 1
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()
x = 10
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()
x = -10
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()
x = 0
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()
x = "Hello"
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()
x = ""
print("x:", x)
print("operator.truth(x):", operator.truth(x))
print()

Output:

输出：

operator.truth(True): True
operator.truth(False): False
x: 1
operator.truth(x): True
x: 10
operator.truth(x): True
x: -10
operator.truth(x): True
x: 0
operator.truth(x): False
x: Hello
operator.truth(x): True
x: 
operator.truth(x): False