How to convert string into tuple in python

There are many ways to convert strings into tuples in Python. You can directly eval(r), you can directly use exception conversion, or you can borrow list operations, etc. I will use one of them, combined with many to facilitate review of the usage of different data:

##The code uses the eval function: (recommended learning :Python video tutorial)

r='(23,5,6)'
val = eval(r)
print val

Code uses tuple function:

r='(23,5,6)'
temp=r.replace('(','').replace(')','')
a=tuple([int(i) for i in temp.split(',')])
print a

Result:

#字符串变成了元组
（25,5,6）

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