1.guess age
age_of_princal = 56
guess_age = int( input(">>:") ) '''多行注释 if guess_age == age_of_princal then
print("yes") else print("no ") '''
if guess_age == age_of_princal: print("Yes,you got it..") elif guess_age > age_of_princal: print("shoud try samller..") else: print("try bigger ...")
2.
score = int(input("score:")) if score >90: print("A") elif score >80: print("B") elif score >70: print("C") elif score >50: print("D") else: print("滚")
3.
msg = "我爱北京天安门?" print(msg) #this code is for .... """print(msg)多行注释 print(msg) print(msg)""" print(msg) #print(msg)单行注释
4.
death_age = 80 name = input("your name:") age = input("your age:") #input 接受的所有数据都是字符串，即便你输入的是数字，但依然会被当成字符串来处理
print( type(age) ) #int integer =整数 把字符串转成int,用int(被转的数据) #str string =字符串 把数据转成字符串用str(被转的数据) print("Your name:",name) #print("You can still live for ", death_age - int(age)," years ....") print("You can still live for " + str(death_age - int(age)) +" years ....")
