赋值运算符

a=20
b=10
c=a+b
print(c)



c+=a
print(c)

c*=a
print(c)

'''
'''
a=20
b=10
c=30
c%=a  #c%=a 等同于c=c%a
print(c)
'''


a=20
b=10
c=30
c//=a #c//a等同于c=c//a
print(c)