python字符串翻转

str1=“I am a boy”
tupledata=str1.split(" ")
length=len(tupledata)
‘’’
for i in length:
temp=tupledata[i]
tupledata[i]=tupledata[length-i-1]
tupledata[length-i-1]=temp;
‘’’

for i in range(length/2):
temp = tupledata[i]
tupledata[i] = tupledata[length - i - 1]
tupledata[length - i - 1] = temp;
for k in tupledata:
print (k)
print (type(tupledata))

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