Lesson3 有一些些題目需要多加思考
一樣下面也將提供各題參考解答
(⭐代表加碼題目)

前面幾題是蠻基本的正負判斷、基數、偶數

• ⭐Is positive

a = int(input())
if a > 0:
    print('YES')
else:
    print('NO')

• ⭐Is odd

a = int(input())
if a%2 == 0:
    print('NO')
else:
    print('YES')

• ⭐Is even

a = int(input())
if a%2 == 0:
    print('YES')
else:
    print('NO')

• ⭐Ends on seven

a = int(input())
if ((a-7)%10==0):
    print('YES')
else:
    print('NO')

• Minimum of two numbers

a = int(input())
b = int(input())
if a-b>0:
    print(b)
else:
    print(a)

• ⭐Are both odd

a = int(input())
b = int(input())

if (a%2==1 and b%2==1):
    print('YES')
else:
    print('NO')

• ⭐At least one odd

a = int(input())
b = int(input())

if (a%2==1 or b%2==1):
    print('YES')
else:
    print('NO')

• ⭐Exactly one odd

a = int(input())
b = int(input())

if (a%2==1 and b%2==0) or (a%2==0 and b%2==1):
    print('YES')
else:
    print('NO')

• Sign function

a = int(input())

if a==0:
    print('0')
elif a>0:
    print('1')
else:
    print('-1')

• ⭐Numbers in ascending order

a = int(input())
b = int(input())
c = int(input())

if a < b and b < c:
    print('YES')
else:
    print('NO')

• ⭐Is three digit

a = int(input())

if (100<=a<=999):
    print('YES')
else:
    print('NO')

• Minimum of three numbers

a = int(input())
b = int(input())
c = int(input())

if (a<b and a<c):
    print(a)
elif(b<a and b<c):
    print(b)
else:
    print(c)

• Equal numbers

a = int(input())
b = int(input())
c = int(input())

if (a==b and b==c):
    print('3')
elif (a==b or a==c or b==c):
    print('2')
else:
    print('0')