class variable:
x = 1
y = 'a'
z = True
dd = variable()
print(hasattr(dd, 'x'))
print(hasattr(dd, 'y'))
print(hasattr(dd, 'z'))
print(hasattr(dd, 'no'))
True
True
True
False
xiaochouk 2022-02-16 20:00 原文
class variable:
x = 1
y = 'a'
z = True
dd = variable()
print(hasattr(dd, 'x'))
print(hasattr(dd, 'y'))
print(hasattr(dd, 'z'))
print(hasattr(dd, 'no'))
True
True
True
False