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Conditional statements (IF/ELSE)
Материал туралы қысқаша түсінік
apply if statement, identify comparison operators, apply if/else statement
Авторы:
11 Ақпан 2019
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Материалдың қысқаша түсінігі
1 слайд
Conditional statements (IF/ELSE)
Theme of today's lesson:
Learning objectives:
apply if statement, identify comparison
operators, apply if/else statement
1 слайд
Conditional statements (IF/ELSE) Theme of today's lesson: Learning objectives: apply if statement, identify comparison operators, apply if/else statement
2 слайд
Key words and phrases:
software, input, output,
process, syntax , phrase, source,
variable ,value, conditional,
indentation , select
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Key words and phrases: software, input, output, process, syntax , phrase, source, variable ,value, conditional, indentation , select
3 слайд
We begin the lesson with game
“If…….then…….else’
Example:
First group: If you don’t dress warmly in
winter…….
Second group: you'll get sick/
Second group: In winter you need to dress
warmly.
First group: you'll get sick
3 слайд
We begin the lesson with game “If…….then…….else’ Example: First group: If you don’t dress warmly in winter……. Second group: you'll get sick/ Second group: In winter you need to dress warmly. First group: you'll get sick
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Let’s do the task
“WordSearch”.
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Let’s do the task “WordSearch”.
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software
input
output
process
Syntax
phrase
source
variable
value
conditional
indentation
select
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software input output process Syntax phrase source variable value conditional indentation select
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Ask the questions:
What does the input mean?
What does the output mean?
What is variable?
Write operators for input?
Write operators for output?
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Ask the questions: What does the input mean? What does the output mean? What is variable? Write operators for input? Write operators for output?
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Input is a data to solve a problem
Process is aktivites to get a resuit
Output is a result of a problem
Variable is a memory area for storing data and having its own name.
i.x=input(“Enter the data”) – gets data as string
ii.a= int(input(“Enter the data”)) – gets the data as int
(number)
iii.a,b,c= map(int,input(“Enter 2 variabels:”).split()) -
gets three data as int
print(“Hello world”)
print(“I am happy to study Pyton”)
print(a)
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Input is a data to solve a problem Process is aktivites to get a resuit Output is a result of a problem Variable is a memory area for storing data and having its own name. i.x=input(“Enter the data”) – gets data as string ii.a= int(input(“Enter the data”)) – gets the data as int (number) iii.a,b,c= map(int,input(“Enter 2 variabels:”).split()) - gets three data as int print(“Hello world”) print(“I am happy to study Pyton”) print(a)
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Playing a game “Kahoot”
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Playing a game “Kahoot”
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Activity: “Fill in the table of operators”
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Activity: “Fill in the table of operators”
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operator operation Example
eguation
Example code result
+ addition 3+2 a=3+2 a=5
- substraction 3-2 a=3-2 a=1
* multiplication 3∙2 a=3*2 a=6
/ dinision a=10/2 a=5
// floordivision N/A a=10//3 a=3
** power a=2**3 a=8
% modulus N/A a=8%3 a=2
> greater 5>3 5>3
if 5 is greater than 3
yes
< less 5<3 5<3
if 5 is less than 3
no
>= greater or equal5≥3 5>=3
if 5 is greater or equal to 3
yes
<= Less or equal 5≤3 5<=3
if 5 is less or equal to 3
no
== equal 5=3 5==3
if 5 is equal to 3
no
!= not equal 5≠3 5!=3
if 5 is not equal to 3
yes
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operator operation Example eguation Example code result + addition 3+2 a=3+2 a=5 - substraction 3-2 a=3-2 a=1 * multiplication 3∙2 a=3*2 a=6 / dinision a=10/2 a=5 // floordivision N/A a=10//3 a=3 ** power a=2**3 a=8 % modulus N/A a=8%3 a=2 > greater 5>3 5>3 if 5 is greater than 3 yes < less 5<3 5<3 if 5 is less than 3 no >= greater or equal5≥3 5>=3 if 5 is greater or equal to 3 yes <= Less or equal 5≤3 5<=3 if 5 is less or equal to 3 no == equal 5=3 5==3 if 5 is equal to 3 no != not equal 5≠3 5!=3 if 5 is not equal to 3 yes
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•Format of conditional:
a = 1
if a > 2:
print("H")
else:
print("L")
a = 3
if a > 2:
print("H")
else:
print("L")
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•Format of conditional: a = 1 if a > 2: print("H") else: print("L") a = 3 if a > 2: print("H") else: print("L")
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•Practice 1
Open page number 51. Do this exercise for practice.
Practice 2
Sid down at computers and do the this task ” Is the number
even?”
number = int(input("Введите число: "))if (number%2 == 0):
print("Четное число")else: print("Нечетное число")
12 слайд
•Practice 1 Open page number 51. Do this exercise for practice. Practice 2 Sid down at computers and do the this task ” Is the number even?” number = int(input("Введите число: "))if (number%2 == 0): print("Четное число")else: print("Нечетное число")
