Python operator.truth()用法及代码示例

operator.truth() 函数

operator.truth()函数是一个库函数operator模块，用于检查给定的值是否为真/真值，它返回True如果给定的值是真/真值，False，否则。

模块：

    import operator

用法:

    operator.truth(x)

参数：

• x– 要检查的值是否为真/真。

返回值：

这个方法的返回类型是bool，它返回True如果x是一个真/真值，False，否则。

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()

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