EP.2 Python ສຳລັບຄົນ Laos

Variables: boxes for your data

name = "ສົມພອນ"
age = 20
height = 1.68

print(name, age, height)

Video coming soon

EP.2 ພື້ນຖານ

Variables: boxes for your data

A variable is a labelled box that can hold anything.

ໃຊ້ເຄື່ອງໝາຍ = ເພື່ອເອົາຄ່າໃສ່ຕົວແປ. ຊື່ຢູ່ເບື້ອງຊ້າຍ, ຄ່າຢູ່ເບື້ອງຂວາ.

ຕົວແປເກັບໄດ້ທັງຂໍ້ຄວາມ (str), ຈຳນວນເຕັມ (int) ແລະ ທົດສະນິຍົມ (float). ປ່ຽນຄ່າໃໝ່ເມື່ອໃດກໍໄດ້.

ep02-variables.py

name = "ສົມພອນ"
age = 20
height = 1.68

print(name, age, height)

ຜົນລັບ

ສົມພອນ 20 1.68

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ຮຽນຕໍ່

Your first program: print()

print("ສະບາຍດີ ລາວ!")
print("ຂ້ອຍກຳລັງຮຽນ Python")

Write your first program in a single line!

if / else: let your program decide

age = 17

if age >= 18:
    print("ລົງທະບຽນໄດ້")
else:
    print("ຍັງນ້ອຍຢູ່")

How does a computer make decisions? With if.

for loops: repeat without retyping

for i in range(1, 6):
    print("ຮອບທີ", i)

Count from 1 to 5 with a single line of logic.

Lists: many things in one place

cities = ["ວຽງຈັນ", "ຫຼວງພະບາງ", "ປາກເຊ"]
cities.append("ສະຫວັນນະເຂດ")

print(cities[0])
print(len(cities))

Can one variable hold many items? Yes, with a list.