Functions
print() |
Show information that you want on the screen |
int() |
change number to be number integer |
float() |
change number to be decimal number |
int() |
gain information from user |
str() |
a list of number, letter and symbols |
Code
name = "007wins"
print (name.upper())
print (name.lower())
print (name.capitalize())
print (name.title())
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function list
#write the function that returns the largest number in a list
#name: maxlist
#argument:list
#returns the largest value in the list
def maxlist(list):
maxvalue = list[0]
for item in list:
if item > maxvalue:
maxvalue = item
return maxvalue
mylist = [1,2,3,4,55,66,777,0,1]
print(maxlist(mylist))
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Addition
string + string |
combine together |
string + number |
crash |
number + number |
math - addition |
Radius finder Code
while True:
user_radius = input("What is the radius?")
radius = float(user_radius)
pi = 3.1415
area= pi radius * 2
print ("The area of the circle is", area
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Code
mystring = "hello"
print (mystring)
firstname = input( "what is your first name?")
lastname = input( "what is your last name?")
fullname = firstname + " " + lastname
print (fullname)
letternumber = int(input( " what is letter number? " ))
if letternumber >len(fullname):
print ( " invalid letter number, try again! " )
else:
letter = ( fullname[letternumber] )
print (letter)
numberletter = int(input( "how many times to print letter " ))
if numberletter >100:
print ( " too many letters to print! " )
else:
print (letter * numberletter )
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Function Python
#write a function that returns the largest of two values
#name : max2
#agruments: num1, num2
# return: largest value
# write a functrion that returns the largest of three values
# name : max3
#agrument: num1, num2, num3
# return: largest value
def max2(num1,num2):
if num1 >= num2:
max_value = (num1)
if num2 > num1:
max_value = (num2)
return max_value
num1 = input('Enter the the first value')
num2 = input('Enter the the second value')
print (max2(num1,num2))
def max3(num1,num2,num3):
if num1 >= num2 and num1 >= num3:
max_value = (num1)
if num2 > num1 and num2 >= num3:
max_value = (num2)
if num3 >= num2 and num3 >= num1:
max_value = (num3)
return max_value
num3 = input('Enter the the third value')
print (max3(num1,num2,num3))
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Multiplication and Exponents
string * number |
combine that string |
string* string |
crash |
number * number |
math - multiply |
string ** string |
crash |
number ** number |
math - exponent |
string ** number |
crash |
Math
== |
equal to |
!= |
no equal to |
< |
less than |
> |
more than |
<= |
less than or equal to |
>= |
more than or equal to |
Vocabulary
variable |
hold a value and can be change |
string |
a list of character such as number, letter and symbols |
integer number |
whole number or counting number |
float number |
the number in decimal |
syntax |
grammar or structure of lauguage |
value |
the number or string can be store in valuable |
loop |
mudole |
the text for storing for python code |
blank |
input |
gain information form User |
comment |
print |
To show information on code |
code |
syntax error |
make impossible to the parse |
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