a = input("a=")
b = input("b=")
c = int(a) + int(b)
print(c)

            
          

結果：

            
              /usr/bin/python3.6 /home/rooter/PycharmProjects/python1/pp1
a=4
b=4
8

Process finished with exit code 0

            
          

            
              a = input("a=")
b = input("b=")
c = a + b #或者 c = int (a+b) / c = str (a+b)
print(c)

            
          

結果

            
              /usr/bin/python3.6 /home/rooter/PycharmProjects/python1/pp1
a=4
b=5
45

Process finished with exit code 0

            
          

            
              money =int(input('你有多少錢?'))
if money > 50:
    print ('打車回家')
    b = input('到家了嗎?')
    if b == '到家了':
        print ('我到家了阿')
    else :
        pass

# else:
#     pass
# print('我到家了阿!')
# please = input ('你是男的還是女的?')
# if please == '男的' or '男':
#     print('你走吧')
# else :
#