What are the rules of operation between different types of Python
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Operation rules between different types
Generally speaking, we don't operate on data of numeric type and Boolean type, nor do we operate on data of string type and Boolean type.
We need to use the arithmetic operator provided by Python to complete the operation between variables. Python provides two kinds: arithmetic operator and compound assignment operator.
The arithmetic operator operator describes the example + plus 10 + 20 = 30-minus 10-20 =-10 * multiplied by 10 * 20 = 200 / divided by 10 / 20 = 0.5 stroke / division returns the integer part of the division (quotient) 9 / / 2 the remainder of the output result 4% returns the remainder of the division 9% 2 = 1 times * power, power, power 2 * * 3 = 8 compound assignment operator description example = simple assignment operator c = a + b assigns the result of a + b operation to c = addition assignment operator c = an equivalent to c = c + a color = subtraction assignment operator c-= an is equivalent to c = c-a = multiplication assignment operator c = an is equivalent to the division assignment operator c / = a The assignment operator c / / = an is equivalent to c = c / a% = modulo (remainder) assignment operator c% = an is equivalent to c = c% axiom = power assignment operator c = c% * = an is equivalent to c = c% * a
Note:
All operations can be performed between numbers and numbers.
Multiplication can only be performed between a number and a string.
Only addition can be performed between strings.
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