我正在尝试导入我自己的模块,但出现错误:
Unable to import module 'lambda_function': attempted relative import with no known parent package
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lambda_function.py
自有模块name.py
pycharm:a = 256
b = 256
print(a is b)
>>>True # This is fine.
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a = 257
b = 257
print(a is b)
>>>True # This should be False.
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Colaboratory/IDLE/etc.:a = 256
b = 256
print(a is b)
>>>True # This is fine.
a = 257
b = 257
print(a is b)
>>>False # This is fine.
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根据理论:
在该范围内引用一个整数,Python 将使用该对象的缓存版本。所以内存地址将是相同的。
期待 pycharm 这适用于任何地方。
parent.columnconfigure(0, weight=1)
button.grid(sticky='ew')
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import tkinter as tk
from tkinter import ttk
root = tk.Tk()
root.geometry('600x400+0+0')
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)
tabs = ttk.Notebook()
tabs.grid(row=0, column=0, sticky='nsew')
tab1 = tk.Frame(tabs, bg='red')
tab2 = tk.Frame(tabs, bg='green')
tabs.add(tab1, text='First Tab')
tabs.add(tab2, text='Second Tab')
root.mainloop()
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