Pandas学习

Posted 2021-05-30 hiv

1. 下载安装PyCharm(pycharm-community-2021.1.1.exe)

2. 无法编译成功

import numpy as np
import pandas as pd

def print_hi():
    # Use a breakpoint in the code line below to debug your script.
    print(pd.Series([1, 3, 5, np.nan, 6, 8]))  # Press Ctrl+F8 to toggle the breakpoint.


# Press the green button in the gutter to run the script.
if __name__ == \'__main__\':
    print_hi()

3. 尝试安装 py -m pip install numpy 和 pip3 install numpy

https://stackoverflow.com/questions/7818811/import-error-no-module-named-numpy

PS C:\\Users\\test> py -m pip install numpy
Collecting numpy
  Downloading numpy-1.20.3-cp39-cp39-win_amd64.whl (13.7 MB)
     |████████████████████████████████| 13.7 MB 3.3 MB/s
Installing collected packages: numpy
Successfully installed numpy-1.20.3

PS C:\\Users\\test> pip3 install numpy
Requirement already satisfied: numpy in c:\\users\\test\\appdata\\local\\programs\\python\\python39\\lib\\site-packages (1.20.3)

尽管安装成功，但PyCharm仍然无法成功运行

4. 在PyCharm重新安装numpy和pandas后成功编译

https://blog.csdn.net/defonds/article/details/108055633
File --> Settings… -> Project: test-pandas -> Python Interpreter

5. 运行结果

C:\\test-pandas\\venv\\Scripts\\python.exe C:/test-pandas/main.py
0    1.0
1    3.0
2    5.0
3    NaN
4    6.0
5    8.0
dtype: float64