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input( )
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show
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print( )
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show answer
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|
int( )
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number
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str( )
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|
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float( )
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change number to decimal
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|
while
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loop
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if: elif else:
|
|
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Boolean
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True/False
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len( )
|
length of
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in
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in
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|
import random
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import
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random.choice(mylist)
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random in mylist
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while True
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forever loop
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range()
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range(5)=0,1,2,3,4
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word = input("Please enter your name: ")
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index = 0
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reverse = ' '
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while index < len(word):
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reverse = word[index] + reverse
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index = index +1
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print ("Reverse: ",reverse)
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|
def areaofellipse(radius1,radius2):
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-pi=3.1415
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-area=piradius1radius2
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-return area
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area1=areaofellipse(2,3)
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print(area1)
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evencount=0
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|
oddcount=0
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while True:
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-num=int(input("Enter a positive integer:"))
|
|
-if num<0:
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--print("Even numbers:",evencount)
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--print("Odd numbers:",oddcount)
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--break
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-else:
|
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--if(num%2)==0:
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|
---evencount=evencount+1
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|
--else:
|
|
---oddcount=oddcount+1
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|
+
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add
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|
-
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subtract
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|
/
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divide (ans in float/decimal)
|
|
**
|
power
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|
*
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multiply
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=
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assign a value
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==
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compare 2 values
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|
!=
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not equal to
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|
>
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more than
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|
<
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less than
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>=
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more than or equal to
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|
<=
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less than or equal to
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|
:
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for user to enter
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|
#
|
comments (do not show)
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|
%
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remainder
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|
//
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divide(ans in integer) 2.5=2
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|
3(3+1)
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CRASH because no *. Have to be
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|
3*(3+1)
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|
user_number = ' '
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|
while user_number != '0' :
|
|
user_number = input("Enter a number to convert to binary")
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|
number = int(user_number)
|
|
binary_string = ' '
|
|
while (number > 0):
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|
remainder = number%2
|
|
binary_string = str(remainder) + binary_string
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|
number = number//2
|
|
print ("Binary string is", binary_string)
|
|
num1=0
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|
num2=1
|
|
fibonacci=num1+num2
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|
myoutput="0,1"
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|
while fibonacci<50:
|
|
-myoutput=myoutput+", "+str(fibonacci)
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|
-num1=num2
|
|
-num2=fibonacci
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-fibonacci=num1+num2
|
|
print(myoutput)
|
|
while True:
|
|
-user_number=input("Enter a number:")
|
|
-num=int(user_number)
|
|
-hex_string=""
|
|
-while(number>0):
|
|
--remainder=number%2
|
|
--if remainder==10:
|
|
---remainder="A"
|
|
--elif.............................
|
|
--hex_string=str(remainder)+hex_string
|
|
--num=num//16
|
|
-print("Hexadecimal string is 0x"+hex_string)
|
|
naming consention
|
letters
|
a,A,_
|
|
numbers
|
||
|
underscore_
|
||
|
string+string
|
fusion
|
|
string+number
|
crash
|
|
number+number
|
normal math
|
|
string*string
|
crash
|
|
string*number
|
fusion
|
|
number*number
|
normal math
|
|
string**string
|
crash
|
|
string**number
|
crash
|
|
number**number
|
normal math
|
|
0
|
mystring=""
|
|
01
|
count=0
|
|
012
|
while count<5:
|
|
0123
|
-mystring=mystring+str(count)
|
|
01234
|
-print(mystring)
|
|
-count=count+1
|
|
mylist=[1,2,3]
|
|
num=0
|
|
while num<len(mylist):
|
|
-print(mylist[num])
|
|
-num=num+1
|
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