ທຸກບົດຮຽນ
ep06-dictionaries.py
EP.6
Python ສຳລັບຄົນ Laos
Dictionaries: look things up by name
words = {"ໝາ": "dog", "ແມວ": "cat", "ນົກ": "bird"}
print(words["ແມວ"])
words["ປາ"] = "fish"
print(len(words))
Video coming soon
EP.6
ຂໍ້ມູນ ແລະ ໂຄງສ້າງ
Dictionaries: look things up by name
Look up Lao → English translations with a dict.
dict ເກັບຂໍ້ມູນເປັນຄູ່ key: value ພາຍໃນວົງເລັບ { }. ເອີ້ນຄ່າດ້ວຍ key ແທນທີ່ຈະໃຊ້ຕຳແໜ່ງ.
ເໝາະກັບຂໍ້ມູນທີ່ມີຊື່ ເຊັ່ນ ລາຄາສິນຄ້າ ຫຼື ເບີໂທຂອງໝູ່.
words = {"ໝາ": "dog", "ແມວ": "cat", "ນົກ": "bird"}
print(words["ແມວ"])
words["ປາ"] = "fish"
print(len(words))ຜົນລັບ
cat 4
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- #Python
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- #ບອກຕໍ່ຄວາມຮູ້
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ຮຽນຕໍ່
EP.5
Python ສຳລັບຄົນ Laos
Lists: many things in one place
cities = ["ວຽງຈັນ", "ຫຼວງພະບາງ", "ປາກເຊ"]
cities.append("ສະຫວັນນະເຂດ")
print(cities[0])
print(len(cities))
EP.5
ຂໍ້ມູນ ແລະ ໂຄງສ້າງ
Lists: many things in one place
Can one variable hold many items? Yes, with a list.
EP.1
Python ສຳລັບຄົນ Laos
Your first program: print()
print("ສະບາຍດີ ລາວ!")
print("ຂ້ອຍກຳລັງຮຽນ Python")
EP.1
ພື້ນຖານ
Your first program: print()
Write your first program in a single line!
EP.2
Python ສຳລັບຄົນ Laos
Variables: boxes for your data
name = "ສົມພອນ"
age = 20
height = 1.68
print(name, age, height)
EP.2
ພື້ນຖານ
Variables: boxes for your data
A variable is a labelled box that can hold anything.
EP.3
Python ສຳລັບຄົນ Laos
if / else: let your program decide
age = 17
if age >= 18:
print("ລົງທະບຽນໄດ້")
else:
print("ຍັງນ້ອຍຢູ່")
EP.3
ພື້ນຖານ
if / else: let your program decide
How does a computer make decisions? With if.