Python Learning Series (iii) Python Getting Started grammar rules 1

First, comments

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Multi-line comments

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#单行注释

"' #example1.1 Test program time: 4/17/2017

I1=input ("Please enter user name:")

I2=input ("Please enter password")

Print (I1)

Print (I2)

Print ("ainiyou")

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Second, the variable

1) (the rules are the same as the rules in C)

2) cannot make python internal keywords

III. Basic data types

1) Number

Age=24

2) string

Name= "Yuanguoliang"

Name= 'Yuanguoliang'

Name= "" "Yuanguoliang" ""

3) Boolean value (True,false)

Iv. Process Control and indentation

1) If the indentation under the if must remain consistent

If condition:

Content 1

Content 2

Else

Content 3

Content 4

Example1:

I1=input ("Please enter")

If i1==1:

Print ("haha")

Print (1111)

Else

Print ("Hehe Ride")

Print ("Yuanguo")

Example2:

Name=input ("Please name")

pssscode=input ("Please passcode")

If name== "Yuanguoliang" and pssscode= = "123456":

Print ("Yes")

Else

Print ("NO")

V. While loop and break, continue

1)

While condition:

Code

2) break jumps out of the loop, does not execute after the code

3) Continue is used to exit the current loop and continue the next cycle

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Python Learning Series (iii) Python Getting Started grammar rules 1