判断语句

if

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if love == 100:
  print("I love you!")

if else

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if love == 100:
  print("I love you very much!")
else:
  print("Maybe?")

if elif else

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if love == 100:
  print("I love you so much!")
elif 0<love<100:
  print("Maybe?")
else:
  print("No!")

循环

while循环

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i = 0
while i < 100:
  print("美羊羊，我喜欢你")
  i += 1

for循环

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for i in range(1, 100):
  print("美羊羊，我喜欢你")

range的三种使用方式
range(num)
range(num1,num2)
range(num1,num2,step)

continue和break

continue: 跳过当前循环
break： 跳出循环