邏輯運算
==(相等) !=(不等) and(與) or(或) not(非)
短路求值
if語句
#example1.py
if age <= 2 :
print('free")
elif 2<age<13 :
print("child fare")
else:
print('adult fare')
#example2.py
reply = 'yuck' if food == 'lamb' else 'yum'
for循環
for i in range(10)
print(i) #打印從0到9
for i in range(5,10)
print(i) #打印從,5到9
for i in range(10,0,-1)
print(i) #打印從10到1
while循環
while condition:
statements
break和continue
break跳出當前循環
continue跳過當前迭代,直接進入下一次迭代