Astroneer Soil to Resource Calculator

__main__.py

resources = {'compound':4, 'resin':4, 'organic':4, 'clay':3, 'quartz':2, 'graphite':1, 'ammonium':.5, 'laterite':1.5, 'malachite':1.5, 'wolframite':1, 'hematite':1, 'sphalerite':3, 'titanite':.75, 'lithium':.375}
resource = small_canisters = medium_canisters = None


print('This calculator will calculate the amount of a resource one can obtain in Astroneer from a specified amount of soil. The resources that can not be obtained with a Soil Centrifuge can be obtained with a Trade Platform by obtaining Clay with a Soil Centrifige, smelting it, crafting it into a Drill Mod 1, and shredding it for 1.5 Scrap.\nby CopperyMarrow15')

while resource not in resources.keys():
    resource = input('(Type a resource that can be traded for.) convert soil to ').lower()

def small_canister_input():
    global small_canisters
    try:
        small_canisters = int(input('(Type a number.) How many Small Canisters worth of soil do you want to check for? '))
    except:
        small_canister_input()
def medium_canister_input():
    global medium_canisters
    try:
        medium_canisters = int(input('(Type a number.) How many Medium Fluid & Soil Canisters worth of soil do you want to check for? '))
    except:
        medium_canister_input()
small_canister_input()
medium_canister_input()

print('Your soil is worth', str(resources[resource] * (small_canisters + medium_canisters * 24)), resource + '.')