Setting a Local Python Variable to be Global

Python

We can set a local variable (i.e. one in a function) to be global by using the global keyword. This allows a global variable to be modified from within a non-global space or a local variable to be accessible outside the scope of the local space it's declared within.

 1|  def some_function()
 2|      global variable_name
 3|      variable_name = 'New Value'
 4|  
 5|  #Example:
 6|      
 7|  number = 42
 8|  def new_number():
 9|      global number 
10|      number = 43
11|  new_number()
Greg He
Variables
Did you find this snippet useful?

Sign up for free to to add this to your code library

Remove Stop Words from Text in DataFrame Column
Python

Pandas | Nltk | Nlp

133
LightGBM Custom Loss Function
Python

LightGBM | Loss function

121
Tuning XGBoost Hyperparameters with Grid Search
Python

XGBoost | Tuning

116
How to Convert DataFrame Values Into Percentages
Python

Lambda | Percentages | Pipe

109
How to Scale Data Using Standard Scaler But Keep Column Names
Python

Scaler | Standard

78
Calculating Root Mean Squared Error (RMSE) with Sklearn and Python
Python

Rmse

77
LightGBM Hyperparameter Tuning with GridSearch
Python

Python | LightGBM | Hyperparameter tuning | Gridsearch

77
Dynamically Create Columns in Pandas Dataframe
Python

Pandas | Columns

61
How to Train a Catboost Classifier with GridSearch Hyperparameter Tuning
Python

Catboost | Hyperparameter tuning

60
Overwriting a Python Logging File Instead of Appending
Python

Logging

55