Operators in Python

Double asterisk in Python: exponentiation operator

print(10 % 3)   # 1   (because 10 = 3*3 + 1)

print(25 % 7)   # 4   (because 25 = 7*3 + 4)

The operator <= means “less than or equal to.”

Python has two membership operators that test whether a value is present in a sequence (like a list, tuple, string, or set) or a mapping (like a dictionary).

d = {"x": 10, "y": 20}

print("x" in d)        # True

print(10 in d)         # False (10 is a value, not a key)

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