convert object to float64 pandas code example
Example 1: convert float to integer pandas
>>> df['C'] = df['C'].apply(np.int64)
>>> print(df)
... A B C D
... 0 8 0 1 6.226750
... 1 1 9 9 8.522808
... 2 1 4 2 7.739108
Example 2: python cast to float
float('1.234')