Third, Python operators and expressions

Python Operators and expressions

The Python operators include:

Assignment operator (=)
Arithmetic operators (+,-, *,/,//(integer division: 5.6/2),% (for remainder), * * (exponentiation 2**3=8))
Relational operators (<, >, =, >=,! =, = = (exactly equals))
Logical operators: Concatenate multiple comparison results (and or not)

An expression is a formula that joins different data (including variables, functions) with an operator by a certain rule.

Practice:
Write a arithmetic device
#!/usr/bin/python
a = Int (raw_input ("Please input a number a:"))
b = Int (raw_input ("Please input another number B:"))

print "A + b =%d"% (A + b)
Print "A-B =%d"% (A-B)
Print "A * b =%d"% (A * b)
Print "A/b =%.2f"% (a/float (b))

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Third, Python operators and expressions