回答編集履歴
2
追記
test
CHANGED
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@@ -171,3 +171,15 @@
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171
171
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139676165093680
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172
172
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173
173
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```
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174
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175
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176
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177
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**追記: **
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178
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179
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よく考えたら (むしろよく考えなくても) idを見る必要は無いですね。
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180
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181
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せっかくspamの値を切り替えているのですから...
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182
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183
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184
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185
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無意味な実験をこっそり消すのもなんとも虚しいので、残してはおきます。
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1
追記
test
CHANGED
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@@ -43,3 +43,131 @@
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43
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グローバルな空間にあるspamをいくら書き換えたところで、2番のspam には影響しません。
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実験
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50
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51
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---
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52
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53
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idを見てみるとなかなか面白いですね。
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54
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55
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```Python
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def debug_print(message, obj):
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58
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print(message)
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61
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print(f'\t{obj}\n\t{id(obj)}')
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62
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64
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65
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def scope_test():
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66
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def do_local():
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68
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spam = "local spam"
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70
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debug_print("In do_local:", spam)
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def do_nonlocal():
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nonlocal spam
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spam = "nonlocal spam"
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debug_print("In do_nonlocal:", spam)
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85
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def do_global():
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86
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global spam
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spam = "global spam"
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debug_print("In do_global:", spam)
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93
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spam = "test spam"
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debug_print("Before any assignment:", spam)
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do_local()
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debug_print("After local assignment:", spam)
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do_nonlocal()
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debug_print("After nonlocal assignment:", spam)
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do_global()
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debug_print("After global assignment:", spam)
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scope_test()
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debug_print("In global scope:", spam)
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```
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119
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120
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121
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**実行結果** [Wandbox](https://wandbox.org/permlink/HMgzVhh6wCVUg2zs)
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122
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123
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```plain
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124
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125
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Before any assignment:
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126
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test spam
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128
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129
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139676165093808
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130
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131
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In do_local:
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132
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local spam
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134
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135
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139676165093296
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136
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137
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After local assignment:
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138
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139
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test spam
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140
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141
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139676165093808
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142
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143
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In do_nonlocal:
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144
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nonlocal spam
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146
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147
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139676165093488
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148
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149
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After nonlocal assignment:
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150
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151
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nonlocal spam
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152
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153
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139676165093488
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154
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155
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In do_global:
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156
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157
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global spam
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158
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159
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139676165093680
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160
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+
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161
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After global assignment:
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162
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163
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nonlocal spam
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164
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165
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139676165093488
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166
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+
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167
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In global scope:
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168
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+
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169
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+
global spam
|
|
170
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+
|
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171
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+
139676165093680
|
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172
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+
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173
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+
```
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