Кузин семинары / Семинары / 4 семинар

def task_1():
	rept = {"python" : "питон",
			"anaconda" : "анаконда",
			"tortoize" : "черепаха" }

	rept['snake'] = 'змея'

	rept['tortoise'] = rept['tortoize']
	del rept['tortoize']

	for k in rept:
		print(rept[k], "по-английски будет", k)

def task_2():
	cnt = ["Andorra", "Belarus", "Denmark",
			"Kenya", "Jamaica", "Romania"]
	fh = [1.0, 6.0, 1.0, 4.0, 2.5, 2.0]

	cntfh = dict(list(zip(cnt,fh)))

def task_3():
	pairs = [(2, 4), (4, 6), (0, 1), (5, 2), (9, 1), (3, 8)]
	calc = {(x, y): x * y for x, y in pairs}

def task_4():
	grades = {'Anna': 4, 'Bob': 3, 'Claire': 5, 'Dick': 2, 'Elena': 5,
			'Fred': 5, 'George': 4, 'Kristina': 3, 'Nick': 2,
			'Ursula': 4, 'Viktor': 5}
	for k in grades:
		print(k, grades[k])

	excel = []
	good = []
	satisf = []
	bad = []

	for student, grade in grades.items():
		print(f"{student}: {grade}")
		if grade==5:
			excel.append(student)

		if grade==4:
			good.append(student)

		if grade==3:
			satisf.append(student)

		if grade==2:
			bad.append(student)