7-1
1
print('我要学Python')
7-2
1
2
3
4
5
6
7
8
9
10
11
12
13
def calc():
year = eval(input())
if year <= 0 or len(str(year)) != 4 :
print('ERROR!')
return 0
elif (year % 100 != 0 and year % 4 == 0 ) or ( year % 400 == 0):
print(str(year)+'是闰年')
return 0
else:
print(str(year)+'不是闰年')
return 0
if __name__ == '__main__':
calc()
1
2
3
4
5
6
7
year = eval(input(''))
if year <= 0 or len(str(year)) != 4 :
print('ERROR!')
elif (year % 100 != 0 and year % 4 == 0 ) or ( year % 400 == 0):
print(str(year)+'是闰年')
else:
print(str(year)+'不是闰年')
7-3
1
print('Hello, China!')
7-4
1
2
3
print('*'*8)
print(' ZUST')
print('*'*8)