Vocabulary
Variable |
sth that can change |
String |
a list of characters |
Integer number |
Whole number/counting number |
Float number |
The number in decimal |
Syntax |
Grammar/Structure of language |
Modulo |
Find the remainder |
Boolean |
True/False |
Print name
name = "time GIRARD"
print (name.upper()) > TIM GIRARD
print (name.lower()) > time girard
print (name.capitalize()) > Tim girard
print (name.title()) > Tim Girard
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Convert
word = str(3) #converts 3 to a string "3"
num = int("3.5") #converts "3.5" to an integer 3
num = float("3") #converts "3" to a float 3.0 |
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Addition
string+string |
combines the string together |
string+number |
crash |
number+number |
Math(addition) |
Muitiply
string*string |
crash |
string*number |
combines he string multiple times |
number*number |
math(multiply) |
string**number |
crash |
Random code
import ramdom
mylist = ["Dog", "Fish", "Cat", "Bear"]
counter = 0
while counter < 10 :
random_item = random.choice (mylist)
print (random_item)
counter = counter + 1
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Functions
print() |
displays information on the screen |
input() |
receives info from the user |
float() |
converts a value to floating point |
str() |
converts |
Example Code
mylists3 =[1, 'hello' , 2.5] |
print (mylists) |
print (mylists2) |
print (mylists3) |
#how to make a list with all numbers from 0-99 |
mynumbers = range(5) |
for num in numbers: |
print(num) |
Naming Conversation
Rule for giving name
-letter
-numbers
-underscore
Valid name
-_myStr
-my3
-Hello_there
Invalid name
-3my="hi" --cannot start with number
-first name="hi"
-first-name
-first+name |
func: largenum
def max2(num1, num2):
if num1 > num2:
maxvalue = num1
elif num2 > num1:
maxvalue = num2
return maxvalue
#function call
print(max2(92, 3))
print(max2(4, 5))
def max3(num1, num2, num3):
maxvalue = num1
if num2 > maxvalue:
maxvalue = num1
elif num3 > maxvalue:
maxvalue = num3
return maxvalue
#function call
print(max3(92, 5, 6))
print(max3(8, 9, 7))
print(max3(99, 40, 49))
def maxlist(list):
maxvalue = list[0]
for num in list:
if num > maxvalue:
maxvalue = num
return maxvalue
mylist = 3, 5657, 90333, 33333333
print(maxlist(mylist))
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