'''
#断言
number=8
assert (number>1)
print("断言ok！")
number2=8
assert (number2<2)
print("断言不ok！，程序报错！")
'''
'''
#id()打印对象id
a=1
b=2
print(id(a))
print(id(b))
a1 = [1,0]
b1 = [1,0]
print(id(a1))
print(id(b1))
'''
'''
#字符串去重，转为list列表
char = 'asdwfawkjawdwafasdjjaw'
char2 = set(char)
print(char2) #set去重
char3 = list(char2) #去重转为list
print(char3)
'''
'''
#展开列表
a = [[1,2],[3,4],[5,6]]
x = [j for i in a for j in i]
print(x)
'''
a,b=1,2
print(a,b)
a,b=b,a
print(a,b)
Processed:
0.013, SQL:
8
