My i3 config file

config

# This file has been auto-generated by i3-config-wizard(1).
# It will not be overwritten, so edit it as you like.
#
# Should you change your keyboard layout somewhen, delete
# this file and re-run i3-config-wizard(1).
#

# i3 config file (v4)
#
# Please see http://i3wm.org/docs/userguide.html for a complete reference!

set $mod Mod4

# font for window titles. ISO 10646 = Unicode
font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1

workspace_auto_back_and_forth yes
bindsym $mod+Escape workspace back_and_forth

# Use Mouse+$mod to drag floating windows to their wanted position
floating_modifier $mod

# start a terminal
bindsym $mod+Return exec i3-exec uxterm

# kill focused window
bindsym $mod+Shift+Q kill

# start dmenu (a program launcher)
bindsym $mod+Shift+P exec i3-exec dmenu_run

# change focus
bindsym $mod+h focus left
bindsym $mod+j focus down
bindsym $mod+k focus up
bindsym $mod+l focus right

# alternatively, you can use the cursor keys:
bindsym $mod+Left focus left
bindsym $mod+Down focus down
bindsym $mod+Up focus up
bindsym $mod+Right focus right

# move focused window
bindsym $mod+Shift+H move left
bindsym $mod+Shift+J move down
bindsym $mod+Shift+K move up
bindsym $mod+Shift+L move right

# alternatively, you can use the cursor keys:
bindsym $mod+Shift+Left move left
bindsym $mod+Shift+Down move down
bindsym $mod+Shift+Up move up
bindsym $mod+Shift+Right move right

# split in horizontal orientation
bindsym $mod+x split h

# split in vertical orientation
bindsym $mod+y split v

# enter fullscreen mode for the focused container
bindsym $mod+f fullscreen

# change container layout (stacked, tabbed, default)
bindsym $mod+s layout stacking
bindsym $mod+t layout tabbed
bindsym $mod+d layout default

# toggle tiling / floating
bindsym $mod+Shift+space floating toggle

# change focus between tiling / floating windows
bindsym $mod+space focus mode_toggle

# focus the parent container
bindsym $mod+a focus parent

# focus the child container
#bindcode $mod+d focus child

# switch to workspace
bindsym $mod+1 workspace 1
bindsym $mod+2 workspace 2
bindsym $mod+3 workspace 3
bindsym $mod+4 workspace 4
bindsym $mod+5 workspace 5
bindsym $mod+6 workspace 6
bindsym $mod+7 workspace 7
bindsym $mod+8 workspace 8
bindsym $mod+9 workspace 9
bindsym $mod+0 workspace 10

# move focused container to workspace
bindsym $mod+Shift+exclam move workspace 1
bindsym $mod+Shift+quotedbl move workspace 2
bindsym $mod+Shift+sterling move workspace 3
bindsym $mod+Shift+dollar move workspace 4
bindsym $mod+Shift+percent move workspace 5
bindsym $mod+Shift+asciicircum move workspace 6
bindsym $mod+Shift+ampersand move workspace 7
bindsym $mod+Shift+asterisk move workspace 8
bindsym $mod+Shift+parenleft move workspace 9
bindsym $mod+Shift+parenright move workspace 10

# Random workspaces
bindsym $mod+i workspace im
bindsym $mod+Shift+I move workspace im

bindsym $mod+e workspace email
bindsym $mod+Shift+E move workspace email

bindsym $mod+m workspace music
bindsym $mod+Shift+M move workspace music

# Music keys
bindsym XF86AudioPlay exec mpc toggle
bindsym XF86AudioStop exec mpc stop
bindsym XF86AudioPrev exec mpc prev
bindsym XF86AudioNext exec mpc next

# Make various things behave
for_window [class="MPlayer"] floating enable

# reload the configuration file
bindsym $mod+Shift+C reload
# restart i3 inplace (preserves your layout/session, can be used to upgrade i3)
bindsym $mod+Shift+R restart
# exit i3 (logs you out of your X session)
# bindsym $mod+Shift+E exit

# resize window (you can also use the mouse for that)
mode "resize" {
        # These bindings trigger as soon as you enter the resize mode

        # They resize the border in the direction you pressed, e.g.
        # when pressing left, the window is resized so that it has
        # more space on its left

bindsym h resize shrink left 10 px or 10 ppt
bindsym Shift+H resize grow   left 10 px or 10 ppt

bindsym j resize shrink down 10 px or 10 ppt
bindsym Shift+J resize grow   down 10 px or 10 ppt

bindsym k resize shrink up 10 px or 10 ppt
bindsym Shift+K resize grow   up 10 px or 10 ppt

bindsym l resize shrink right 10 px or 10 ppt
bindsym Shift+L resize grow   right 10 px or 10 ppt

        # same bindings, but for the arrow keys
bindsym Left resize shrink left 10 px or 10 ppt
bindsym Shift+Left resize grow   left 10 px or 10 ppt

bindsym Down resize shrink down 10 px or 10 ppt
bindsym Shift+Down resize grow   down 10 px or 10 ppt

bindsym Up resize shrink up 10 px or 10 ppt
bindsym Shift+Up resize grow   up 10 px or 10 ppt

bindsym Right resize shrink right 10 px or 10 ppt
bindsym Shift+Right resize grow   right 10 px or 10 ppt

        # back to normal: Enter or Escape
bindsym Return mode "default"
bindsym Escape mode "default"
}

bindsym $mod+r mode "resize"

# Start i3bar to display a workspace bar (plus the system information i3status
# finds out, if available)
bar {
	status_command i3status
}

here

#!/bin/bash

desk=$(
        i3-msg -t GET_WORKSPACES |
        jshon -a -e focused -u -p -e name -u |
        grep -A 1 true | tail -n 1)

mkdir -p $HOME/.i3/desks/
echo $(pwd) > $HOME/.i3/desks/$desk

i3-exec

#!/bin/bash

desk=$(
        i3-msg -t GET_WORKSPACES |
        jshon -a -e focused -u -p -e name -u |
        grep -A 1 true | tail -n 1)

directory=$(cat $HOME/.i3/desks/$desk || echo $HOME)

cd $directory

exec $@

there

# Put this in your bashrc.

function there() {
        desk=$(
                i3-msg -t GET_WORKSPACES |
                jshon -a -e focused -u -p -e name -u |
                grep -A 1 true | tail -n 1)
        directory=$(cat $HOME/.i3/desks/$desk || echo $HOME)
        cd $directory
}

that code actually messed up my pc. Now I cannot start the console, or the dmenu. cannot access the filemanager either. and of course i cannot change the config file. I can chage the workspaces but i cannot start any programs
Any idea man?

go to console mode, most likely "ctrl+alt+F1" and edit/remove the config file from there

This is a certified "works on my machine" moment