条件判断
age = 3
if age >= 18:
print('adult')
elif age >= 6:
print('teenager')
else:
print('kid')
match
针对某个变量匹配若干种情况，可以用match
score = 80
match score:
case 10:
print('A')
case 80:
print('B')
case _: # _表示匹配到其他任何情况
print('C')
match语句的case非常灵活
age = 15
match age:
case x if x < 10:
print(f'< 10 years old: {x}')
case 10:
print('10 years old.')
case 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18:
print('11~18 years old.')
case 19:
print('19 years old.')
case _:
print('not sure.')
循环
for循环
names = ['Bob', 'Tom', 'Jerry']
for name in names:
print(name)
while循环
break 和 continue
sum = 0
n = 0
while n < 100:
sum = sum + n
n = n + 1
print(sum)
