#1.1
# print(2+3*6)

# print((2+3)*6)

# print(48565878 * 578453)
# # 幂
# print(2 ** 8)

# print (23 / 7)
# # 取整
# print( 23 // 7)
# # 取余
# print ( 23 % 7)

# print(2+2)

#1.3
# print('Alice' + 'Bob')
# # 字符串打印5次 * Int
# print('Alice' * 5)   

#1.4
# spam = 50
# print(spam)
# eggs = 2
# print(spam + eggs)
# spam=spam+eggs
# print(spam)

#1.5 This program says hello and asks from my name
# print('Hello World!')
# print("What's your name?")
# myName = input()
# print('It is good to meet you,'+myName)
# print('The length of your name is:')
# print(len(myName))
# print("what's your age?")
# myAge = input()
# print('You will be'+str(int(myAge)+1)+' in a year.')
		
#1.8
print(round(0.5))		#此处结果为0，而不是1
print(round(0.6))
print(round(1.5))
print(round(1.4))

