What is the naming convention for variables in Python?
A variable name must start with a letter or the underscore character. A variable name cannot start with a number. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ ) Variable names are case-sensitive (age, Age and AGE are three different variables)
What is a good example of a variable name?
The following are examples of valid variable names: age, gender, x25, age_of_hh_head.
How do you take variable names dynamically in Python?
Use a Dictionary to Create a Dynamic Variable Name in Python It is written with curly brackets {} . In addition to this, dictionaries cannot have any duplicates. A dictionary has both a key and value, so it is easy to create a dynamic variable name using dictionaries.
Why are variable name declarations not used in Python?
A variable name cannot start with a number. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ ). Variable names are case-sensitive (name, Name and NAME are three different variables). The reserved words(keywords) cannot be used naming the variable.
Which of the following is not a valid naming convention for variables in Python?
2. Which of the following is not valid variable name in Python? Explanation: 11var is not valid variable name in Python.
What is variable Python example?
Variables are used to store data, they take memory space based on the type of value we assigning to them. Creating variables in Python is simple, you just have write the variable name on the left side of = and the value on the right side, as shown below.
What is good variable in Python?
Use meaningful names: A meaningful or expressive variable name will be eaiser for someone to understand. For example: precip is a more useful name that tells us something about the object compared to x or a . Do not start names with numbers Objects that start with a number are NOT VALID in Python.
What is a dynamic variable in Python?
A dynamic variable name, also known as a Variable variable, is a variable with a name that is the variable value of another variable. For example, x = “1” and “1” = “one” , making x = “one” .
What does globals () do in Python?
globals() function in Python returns the dictionary of current global symbol table. Symbol table: Symbol table is a data structure which contains all necessary information about the program. These include variable names, methods, classes, etc.