# a = str(input("请您输入数字a：")) # 输入str型变量a
# b = int(input("请您输入数字b：")) # 输入int型变量b
# a = int(a) # 强转
# if(a == b):
# print("a=b")
# elif (a < b):
# print('a<b')
# else:
# print("a>b")
# for i in range(1, 5):
# for j in range(1, 3):
# print(i)
# a = [] # 新建一个数组
# n = int(input())
# for i in range(n): # =for i in range(0, n):
# a.append(int(input()))
# for i in range(n):
# print(a[i])
# b = [6, 7, 8, 9]
# c = [1, 2, 3]
# b.extend(c) # 将c数组‘接到’b数组之后
# print(b)
# b.sort() # 排序
# print(b)
