輸出1到100之間的所有奇數和偶數:
num = 1 while num <=100: if num%2 == 0: print(num) num += 1 cai num = 1 while num <=100: if num%2 == 1: print(num) num += 1
猜年齡遊戲的兩種方法:
age = 50 flag = True while flag: user_input_age = int(input("Age is:")) if user_input_age == age: print("Yes") flag = False elif user_input_age > age: print("is bigger") else: print("is smaller") print("End") age = 50 while True: user_input_age = int(input("Age is:")) if user_input_age == age: print("Yes") break elif user_input_age > age: print("is bigger") else: print("is smaller") print("End")
break語句和continue語句。
print中的end語句:
#print("hello world.",end="__") # \n \r\n \r #print("hello world.",end="__") #print("hello world.",end="__") num1 = 0 while num1<=5: print(num1,end="_") num2 = 0 while num2<=7: print(num2,end="-") num2+=1 num1+=1 print() # print(end="\n") #0_0-1-2-3-4-5-6-7- #1_0-1-2-3-4-5-6-7-
輸出#號,指定長高的長方形:
height = int(input("height:")) width = int(input("width:")) num_height = 1 while num_height <= height: num_width = 1 while num_width <= width: print("#",end="") num_width += 1 print() num_height += 1