Python Variables and Types
Python Tutorial » Python Variables and Types
A Python variable is a reserved memory location to store values.
Python has no command for declaring a variable.
A variable is created the moment you first assign a value to it.
Example:
24
Werner
x = 24
y = "Werner"
print(x)
print(y)
Output: y = "Werner"
print(x)
print(y)
24
Werner
Variables do not need to be declared with any particular type, and can even change type after they have been set.
Example:
Werner
x = 12 # x is integer
x = "Werner" # x is now is type str
print(x)
Output: x = "Werner" # x is now is type str
print(x)
Werner
Get the Type - examples
You can get the data type of a variable with the type() function.
Example:
<class 'int'>
<class 'str'>
x = 24
y = "Werner"
print(type(x))
print(type(y))
Output:y = "Werner"
print(type(x))
print(type(y))
<class 'int'>
<class 'str'>
Python Single or Double Quotes?
String variables can be declared either by using single or double quotes:
Example:
MariAnn
MariAnn
z = "MariAnn"
print(z)
# is the same as
z = 'MariAnn'
print(z)
#double quotes are the same as single quotes:
Output:print(z)
# is the same as
z = 'MariAnn'
print(z)
#double quotes are the same as single quotes:
MariAnn
MariAnn
Python variables Case-Sensitive
Variable names are case-sensitive.
Example:
126
Saandy
a = 126
A = "Saandy"
#A will not overwrite a
Output:A = "Saandy"
#A will not overwrite a
126
Saandy
Variable type, Python3 variable, Set variable, Print variable in Python, How to input a variable, Casting, Operations
Python Variables and Types - python
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