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Python - compare strings

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Created by:
DoLLot
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In this article, we would like to show you how to compare strings in Python.

Quick solution:

string1 = 'text 1'
string2 = 'text 2'

print(string1 is string2)  # False
print(string1 == string2)  # False

 

1. Using == and is operators

In this example, we use == and is operators to check if strings have the same value (if they are equal).

string1 = 'text 1'
string2 = 'text 2'

string3 = 'text 1'

print(string1 is string3)  # True
print(string2 is string3)  # False

print(string1 == string3)  # True
print(string2 == string3)  # False

Output:

True
False
True
False

2. Using ==, < and > comparators

In this example, we use ==, < and > operators to check which string should be first according to alphabet letters priority.

print('a' == 'a')  # True
print('a' < 'b')   # True
print('b' > 'a')   # True

print('aab' == 'aab')  # True
print('aac' > 'aaa')   # True
print('123' < '321')   # True

print('a' < 'a')  # False
print('a' < 'b')  # True
print('b' < 'a')  # False

print('aab' > 'aab')  # False
print('aac' > 'aaa')  # True
print('123' > '321')  # False

print('aab' == 'aab')  # True
print('aac' > 'aaa')   # True
print('123' < '321')   # True

print('a' < 'a')  # False
print('a' < 'b')  # True
print('b' < 'a')  # False

print('aab' > 'aab')  # False
print('aac' > 'aaa')  # True
print('123' > '321')  # False

Python - string (popular problems)

Python - compare strings
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