Difference between revisions of "CSC111 Programs Created in Class 2018"
(→02/21/18) |
(→02/21/18) |
||
Line 702: | Line 702: | ||
>>> | >>> | ||
</source> | </source> | ||
+ | <br /> | ||
+ | =2/23/18= | ||
+ | <br /> | ||
+ | ::<source lang="python"> | ||
+ | # examples | ||
+ | # D. Thiebaut | ||
+ | |||
+ | line = "The quick red fox jumped over the lazy brown sleeping dog" | ||
+ | line.split( " " ) # that's a space | ||
+ | |||
+ | |||
+ | |||
+ | poem = """Chocolate | ||
+ | Chocolate is the first luxury. | ||
+ | It has so many things wrapped up in it: | ||
+ | Deliciousness in the moment, | ||
+ | childhood memories, | ||
+ | and that grin-inducing | ||
+ | feeling of getting a reward for being good. | ||
+ | --Mariska Hargitay""" | ||
+ | |||
+ | </source> | ||
+ | ==Working with Text Files (chocolate program)== | ||
+ | <br /> | ||
+ | ::<source lang="python"> | ||
+ | # readChocolateFile.py | ||
+ | # D. Thiebaut | ||
+ | # Opens a text file and displays it contents. | ||
+ | # Note: you need to have a file called chocolate.txt | ||
+ | # in the same directory/folder where you have saved | ||
+ | # this program!!! | ||
+ | @ | ||
+ | |||
+ | def main(): | ||
+ | # open file | ||
+ | file = open( "chocolate.txt", "r" ) | ||
+ | |||
+ | # read each line from file and display it | ||
+ | for line in file: | ||
+ | print( line ) | ||
+ | |||
+ | # close the file | ||
+ | file.close() | ||
+ | |||
+ | main() | ||
+ | |||
+ | |||
+ | </source> | ||
+ | |||
[[Category:Python]][[Category:CSC111]] | [[Category:Python]][[Category:CSC111]] |
Revision as of 11:44, 23 February 2018
D. Thiebaut (talk) 12:30, 31 January 2018 (EST)
Contents
1/30/18
# wedWeek1.py
# D. Thiebaut
# Demo program week 1
# variables
age = 20
year = 2018
# compute year born
print( year - age )
# example of for loop
for name in [ "smith", 23, 3.14159, "hello" ]:
print( name )
"""
challenge: print the following lines
***
Mae
*****
Alice
*******
Felicia
"""
for name in [ "Mae", "Alice", "Felicia" ]:
print( '*' * len( name ) )
print( name )
"""
new challenge: print the following lines
*
Mae
********
Alice
****
Felicia
**
"""
for name in [ "*", "Mae", "********", "Alice", "****", "Felicia", "**" ]:
print( name )
02/05/18
Table of Fahrenheit to Celsius conversion
# 020518.py # D. Thiebaut # # print table of temperatures # start at 100 F down to -30 F # in steps of 10 # using the formula: Celsius = (Farhenheit - 32 ) * 5 / 9 # print the header print( "Fahrenheit --> Celsius" ) # display the table of temperatures # ranging from 100 down to -30F. for fTemp in range( 100, -31, -10 ): cTemp = ( fTemp - 32 ) * 5 / 9 print( fTemp, '-->', cTemp )
Problem: get user name and grade and display user information and grade as a bar graph.
# barGraph.py
# D. Thiebaut
# this program prompts the user for her information
# and grade and displays a bar-graph.
#
#First name? Dominique
#Last name? Thiebaut
#Id? 990123456
#Final grade? 90
#
#+———————————————————————————————————-———————————-+
#|Dominique Thiebaut 990123456 |
#+———————————————————————————————————-———————————-+
# 00...10...20...30...40...50...60...70...80...90...100
#grade: #############################################
#class: ########################################
#
#
# input section
fName = input( "First name? " )
lName = input( "Last name? " )
Id = input( "Id? " )
final = input( "Final grade? " )
# output section
print( fName, lName, Id )
bar = "+———————————————————————————————————-———————————-+"
barLen = len( bar )
print( "barLen =", barLen )
nameIdLen = len( fName )+1+len( lName ) + len( Id )+1
print( "nameIdLen =", nameIdLen )
print( bar )
print( "|", fName, lName, ' '*(barLen-nameIdLen), Id, '|' )
print( bar )
2/7/18
We didn't have time to cover this problem, because of the snow storm... But it simply displays
an 8 by 8 chessboard using hash tags.
# chessBoard.py # D. Thiebaut # displays an 8x8 chessboard, as shown below. """ ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### """ numRows = eval( input( "Number of rows? " ) ) numCols = eval( input( "Number of columns? " ) ) white=" " black="###" bar1 = "" bar2 = "" for i in range( numCols//2 ): bar1 = bar1 + white + black bar2 = bar2 + black + white for i in range( numRows//2 ): # display 2 lines of squares # alternating the colors # 5 ### ### ### ### # ### ### ### ### # ### ### ### ### # ### ### ### ### # ### ### ### ### # ### ### ### ### for n in range( 3 ): print( bar1 ) for n in range( 3 ): print( bar2 )
2/9/18
# barGraph.py # D. Thiebaut # this program prompts the user for her information # and grade and displays a bar-graph. # #First name? Dominique #Last name? Thiebaut #Id? 990123456 #Final grade? 90 # #+———————————————————————————————————-———————————-+ #|Dominique Thiebaut 990123456 | #+———————————————————————————————————-———————————-+ # 00...10...20...30...40...50...60...70...80...90...100 #grade: ############################################# #class: ######################################## # # # box geometry bar = "+———————————————————————————————————-———————————-+" barLen = len( bar ) # input section fName = input( "First name? " ) fNameLen = len( fName ) lName = input( "Last name? " ) lNameLen = len( lName ) Id = input( "Id? " ) IdLen = len( Id ) numSpaces = barLen -3 -(fNameLen+1+lNameLen+IdLen) grade = eval( input( "Final grade? " ) ) classGrade = 80 # output section print( bar ) print( '|' + fName, ' ', lName, ' '*(numSpaces), Id, ' |', sep='' ) print( bar ) # print the scale print( " 00...10...20...30...40...50...60...70...80...90...100" ) # print the student grade as a bar numHashTags = grade // 2 print( "grade:", '#' * numHashTags ) #print the class grade as a bar numHashTags = classGrade // 2 print( "class:", '#' * numHashTags )
2/12/18
# teller.py # D. Thiebaut # simulates teller machine program # prompts user, displays number of bills # input amount to withdraw (use eval) amount = eval( input( "Amount to withdraw? " ) ) amount = abs( amount ) print( "Amount:", amount ) # compute number of bills, 20, 10, 5, 1 no20s = amount // 20 amount = amount % 20 # leftover after giving out all the 20s no10s = amount // 10 amount = amount % 10 # leftover after giving out all the 10s no5s = amount // 5 amount = amount % 5 # leftover after giving out all the 5s no1s = amount # display number of bills print( no20s, "$20-bill(s)" ) print( no10s, "$10-bill(s)" ) print( no5s, "$5-bill(s)" ) print( no1s, "$1-bill(s)" )
2/14/18
# generate a table of the powers of 2 """ 0 1 1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 1234567890123 """ for i in range( 10 ): print( "{0:5}{1:5}".format( i, 2**i ) ) # display the following table: # 1: len(Doc )= 3 # 2: len(Grumpy )= 6 # 3: len(Happy )= 5 # 4: len(Sleepy )= 6 # 5: len(Dopey )= 5 # 6: len(Bashful)= 7 # 7: len(Sneezy )= 6 count = 1 for name in ["Doc", "Grumpy", "Happy", "Sleepy", "Dopey", "Bashful", "Sneezy" ]: print( "{0:1}: len({1:<7})= {2:1}" .format( count, name, len(name) ) ) count = count + 1
2/16/18
# accumulate.py # D. Thiebaut # solution programs for 2/16/18 # -------------------------------------- # sum of all the numbers from 1 to 100 total = 0 #print( "initial total:", total ) for i in range( 0, 100+1, 5): #print( i, total ) total = total + i #print( "after sum:", i, total ) #print() print( total ) # -------------------------------------- # average of [100, 95,100, 90, 60, 85] total = 0 count = 0 for i in [100, 95,100, 90, 60, 85]: total = total + i print( "i =", i ) count = count + 1 print( "count = ", count ) print( "total = ", total, "count = ", count ) print( "average = ", total/count ) # -------------------------------------- a = "#" b = "+" final = "" # from numbers to string print( "before loop: a=", a, "b=", b ) for i in [1,2,1,1,3,4]: #print( i * a, end="", sep="" ) print( "i=", i, "a=", a, "b=", b ) final = final + i*a print( "final =", final ) a, b = b, a print( "final string = ", final )
2/19/18
Different ways to print all the strings in a list.
def main(): farm = ["pig", "dog", "horse", "hen" ] #-------------------------------------------------- print( "method 1" ) print( """pig dog horse hen""" ) #-------------------------------------------------- print( "method 2" ) print( farm ) #-------------------------------------------------- print( "method 3" ) print( "pig\ndog\nhorse\nhen" ) #-------------------------------------------------- print( "method 4" ) print( list( farm ) ) #-------------------------------------------------- print( "method 5" ) print( farm[0], farm[1], farm[2], farm[3] ) #-------------------------------------------------- print( "method 6" ) print( farm[0], farm[1], farm[2], farm[3], sep="\n" ) #-------------------------------------------------- print( "method 7" ) for n in [0,1,2,3]: print( farm[n] ) #-------------------------------------------------- print( "method 8" ) for animal in farm: print( animal ) #-------------------------------------------------- print( "method 9" ) for animal in farm: for c in range( len( animal ) ): print( animal[c], sep="", end="") print(" " ) #-------------------------------------------------- print( "method 10" ) for i in range( len( farm ) ): print( farm[i] ) #-------------------------------------------------- print( "method 11" ) for i in range( -1, -len(farm), -1 ): print( farm[ i ] ) #-------------------------------------------------- print( "method 12" ) for i in range( -1, -len(farm)-1, -1 ): print( farm[ i ] ) #-------------------------------------------------- print( "method 13" ) for i in range( -len(farm), 0, 1 ): print(farm[i] ) main()
02/21/18
>>> name = "H:/Documents/solutionsHw4.doc" >>> name 'H:/Documents/solutionsHw4.doc' >>> drive = name[0:2] >>> drive 'H:' >>> name 'H:/Documents/solutionsHw4.doc' >>> ext = name[-3: ] >>> ext 'doc' >>> newName = name[0:-3] >>> newName 'H:/Documents/solutionsHw4.' >>> newName = name[0:-3] + "txt" >>> newName 'H:/Documents/solutionsHw4.txt' >>> fname = "Alex" >>> lname = "Booth" >>> account = fname[0:1] + lname >>> account 'ABooth' >>> account = fname[0] + lname >>> account 'ABooth' >>> date = "02212018" >>> wanted = "21 Feb 2018" >>> date '02212018' >>> wanted '21 Feb 2018' >>> months = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun" ,"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] >>> months ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] >>> months[1] 'Feb' >>> months[2] 'Mar' >>> months = ["Dummy", 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] >>> months[2] 'Feb' >>> day = date[2:4] >>> day '21' >>> month = date[0:2] >>> month '02' >>> int( month ) 2 >>> months[ int( month ) ] 'Feb' >>> date '02212018' >>> year = date[4: ] >>> year '2018' >>> print( day, months[ int( month ) ], year ) 21 Feb 2018 >>> date '02212018' >>> day '21' >>> month '02' >>> year '2018' >>> months ['Dummy', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] >>> months[ int( month ) ] 'Feb' >>> fname = "Maria" >>> lname = "Luce" >>> name = fname + lname >>> name 'MariaLuce' >>> for i in range( len( name ) ): print( i ) 0 1 2 3 4 5 6 7 8 >>> for i in range( len( name ) ): print( i, name[0:i] ) 0 1 M 2 Ma 3 Mar 4 Mari 5 Maria 6 MariaL 7 MariaLu 8 MariaLuc >>> for i in range( len(name ) ): print( i, name[0:i+1] ) 0 M 1 Ma 2 Mar 3 Mari 4 Maria 5 MariaL 6 MariaLu 7 MariaLuc 8 MariaLuce >>> for i in range( len( name ) ): print( name[0:i+1] ) M Ma Mar Mari Maria MariaL MariaLu MariaLuc MariaLuce >>> farm = [ "pig", "dog", "cat" ] >>> farm ['pig', 'dog', 'cat'] >>> farm[0] 'pig' >>> farm[1] 'dog' >>> farm[-1] 'cat' >>> >>> >>> farm[ 0 ] = "horse" >>> farm ['horse', 'dog', 'cat'] >>> farm[2] = "mouse" >>> farm ['horse', 'dog', 'mouse'] >>> farm[-1] = "cat" >>> farm ['horse', 'dog', 'cat'] >>> name = "Smith College" >>> >>> >>> >>> >>> name[0] 'S' >>> name[-1] 'e' >>> name[2] 'i' >>> name[0] = 'Z' Traceback (most recent call last): File "<pyshell#94>", line 1, in <module> name[0] = 'Z' TypeError: 'str' object does not support item assignment <--- strings are immutable! >>> farm2 = ( "cat", "dog", "mouse" ) >>> farm2[1] 'dog' >>> farm2[1] = "horse" Traceback (most recent call last): File "<pyshell#97>", line 1, in <module> farm2[1] = "horse" TypeError: 'tuple' object does not support item assignment >>> animal = "horse" >>> animal[0] = 'H' Traceback (most recent call last): File "<pyshell#99>", line 1, in <module> animal[0] = 'H' TypeError: 'str' object does not support item assignment >>> animal = 'H' + animal[1: ] >>> animal 'Horse' >>> greeting = "hello there" >>> greeting.upper() 'HELLO THERE' >>> greeting 'hello there' >>> greeting = greeting.upper() >>> greeting 'HELLO THERE' >>> lname = "Max" >>> fname = "Joe" >>> fname[0] + lname 'JMax' >>> account = fname[0] + lname >>> account 'JMax' >>> account = account.lower() >>> account 'jmax' >>> title = "CSC111 Intro to CS" >>> title.center( 60 ) ' CSC111 Intro to CS ' >>> title 'CSC111 Intro to CS' >>> print( title.center( 60 ) ) CSC111 Intro to CS >>> name = "alex booth" >>> name.capitalize() 'Alex booth' >>> name 'alex booth' >>> name.title() 'Alex Booth' >>> name = "MICKEY MOUSE" >>> name.capitalize() 'Mickey mouse' >>> name.title() 'Mickey Mouse' >>> name 'MICKEY MOUSE' >>> name = name.title() >>> name 'Mickey Mouse' >>> name.find( 'z' ) -1 >>> name.find( 'o' ) 8 >>> name.find( 'M' ) 0 >>> name.find( 'c' ) 2 >>> name.find( "ou" ) 8 >>> name 'Mickey Mouse' >>> name.replace( "Mickey", "Minnie" ) 'Minnie Mouse' >>> name 'Mickey Mouse' >>> name.replace( "Mouse", "Cat" ) 'Mickey Cat' >>> name 'Mickey Mouse' >>> name.replace( 'M', 'Z' ) 'Zickey Zouse' >>> name 'Mickey Mouse' >>>
2/23/18
# examples # D. Thiebaut line = "The quick red fox jumped over the lazy brown sleeping dog" line.split( " " ) # that's a space poem = """Chocolate Chocolate is the first luxury. It has so many things wrapped up in it: Deliciousness in the moment, childhood memories, and that grin-inducing feeling of getting a reward for being good. --Mariska Hargitay"""
Working with Text Files (chocolate program)
# readChocolateFile.py # D. Thiebaut # Opens a text file and displays it contents. # Note: you need to have a file called chocolate.txt # in the same directory/folder where you have saved # this program!!! @ def main(): # open file file = open( "chocolate.txt", "r" ) # read each line from file and display it for line in file: print( line ) # close the file file.close() main()