'''
@note: https://www.runoob.com/python/python-operators.html
@author: xilh
@since: 20200124
'''

a = 21
b = 10
c = 0
 
c = a + b
print("1. c 的值为：", c)

c += a
print("2. c 的值为：", c) 
 
c *= a
print("3. c 的值为：", c) 
 
c /= a 
print("4. c 的值为：", c) 
 
c = 2
c %= a
print("5. c 的值为：", c)
 
c **= a
print("6. c 的值为：", c)
 
c //= a
print("7. c 的值为：", c)