#数组
title = [123,456,789]

#在指定下标增加内容
title.insert(1,'abc')

#在数组最后添加内容
title.append('eee')
#title.append(['a','b'])

#删除数组末尾下标
title.pop()
#删除数组指定下标
title.pop(2)

#print(title[0])
#print(title[1])
#print(title[2])
#print(title[3])
#print(title[4])
#print(title[5][0])
#print(title[5][1])


int_one = 1
int_two = 2
int_three = 3
total = int_one + int_two + int_three
#print(total)

#teststr = 'abcd'
#teststr = "abcd"
#teststr = """ab
#cd"""
#print(teststr)

#'''号为多行注释
'''
print('123')
print('456')
'''

# ;号表示为一行中支持多条语句
#print('a');print('b')

a = 2

if (a == 1):
    print('=1')
elif (a == 2):
    print('=2')
else:
    print('=3')












