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python - Better way to split column by value into new columns?


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IIUC,

df.set_index(['ID','User'])['Rating'].unstack('User').reset_index()

OR

df.pivot('ID','User','Rating').reset_index()

Output:

User  ID  type 1  type 2
0      1       4       5
1      2       3       2
2      3       1       5
3      4       4       3

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