if語句
if age >= 18
??? print 'your age is', age
else
??? print 'teenager'
Python代碼的縮進規則：具有相同縮進的代碼被視為代碼塊。
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if age >= 18
??? print 'adult'
elif age >= 6
??? print 'teenager'
elif age >= 3
??? print 'kid'
else
??? print 'baby'
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for循環
L = ['Adam', 'Lisa', 'Bart']
for name in L
??? print name
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while循環
while x < 10
??? print x
??? x = x + 1
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break退出循環，continue繼續循環
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