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Type conversion:

A=input ('Please enter an addition:')

A=int (a)

B=input ('Please enter another addition:')

B=int (b)

Print (type (a), type (b))

Print (aquib)

Run the script-shift+F10 is about to run

Normal operators in Python

Common operators:

1. Arithmetic operator:

[standard arithmetic operator

(addition, subtraction, multiplication, division + division (for example, print (1x 1), print (11max 2) results in 5.5 division; print (11prime 2) results in 5, you take an integer.

The result of the remainder operator (print (11% 2) is 1, and the remainder is taken; the power operator print (2 percent 2) represents the second power of 2, and the result is 4]

Integral division operation: when a positive and negative integer formula, take the whole down; all positive and negative according to the normal operation.

Print (9 racer 4) is 2.

Print (- 9 Universe 4) is 2.

Print is-3. The result of the operation is-2.2, and the carry down is-3.

The result of the print (- 9Compact 4) is-3. The result of the operation is-2.2, and the carry down is-3.

Take off operation:

Print (9% Mur4) # Formula: remainder = divisor-divisor * quotient, that is, 9-(- 4) * 3-9-12-- >-3

Print (- 9% 4) # Formula: remainder = divisor-divisor * quotient that is-9-4 * (- 3) =-9 Murray 12 =-9% 12

two。 Assignment operator

= order of execution: right-> left

Example:

Chain assignment is supported-> a=b=c=20

A=b=c=20

Print (a _ pen _ id (a))

Print (bjournal id (b))

Print (c _ journal id (c))

Parameter assignment is supported-- > + =,-=, * =, / =, / / =,% =

Print ('- support parameter assignment -')

Axi20

30 # equivalent to a=a+30

Print (a)-> 50

A murmur 10 # is equivalent to a=a-10

Print (a)-> 40

Astatine 2 # is equivalent to a=a*2

Print (a)-> 80

Print (type (a)) # is int

A Candle 3

Print (a)-> 26.666666666

Print (type (a)) # is folat

A pinprick 2

Print (a)-> 13.0

Print (type (a)) # is folat

A% room3

Print (a)-- > 1.0

Print (type (a)) # is folat

Support series unpack assignment-> a _

Print ('- support series unpacking assignment -')

A _

Print (a _

# a number of variables does not correspond to the number of numerical values.

Print ('- exchange the values of two variables -')

A recalcitrance baccalaureate 10

Print ('before swap:', aPermie b)

# the following is the code for the exchange

A _

Print ('after swap:', aMagneb)-> run the script

Before the exchange: 10 20

After exchange: 20 10

(the course is chapter P22)

3. Comparison operator

4. Boolean operator

5. Bit operator

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