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程序代写案例-WPO 3/16
时间：2021-11-28
23/09/2019 01c-S\WhRQ_iQWUR
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In [1]:
print("Hello, World!")
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Whe fiUVW OiQe: #!/usr/bin/env python3
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In [ɰ]:
ɪŠŵusrŵbinŵenv pthonɰ
ɗɗɗ
A program that prints the ɗHelloř WorldŠɗ messageŜ
ɗɗɗ
print("Hello, World!")
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Hello, World!
Hello, World!
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FRU e[aPSOe:
In [ ]:
ɪŠŵusrŵbinŵenv pthonɰ
ɗɗɗ
A program that prints the ɗHelloř WorldŠɗ messageŜ
ɗɗɗ
ɪ A elcome message
print("Hello, World!")
ɪ TODOś ask user their name and save it as a file
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ɪ Get the sum of primes in ļLļ as ļprimeɕsumļfor x in L:
if is_prime(x):
prime_sum ʫʰ x
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ɪ For each element ļļ in the listř if ļļ is a prime numberř
ɪ add it to ļprimeɕsumļŜfor x in L:
if is_prime(x):
prime_sum ʫʰ x
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In [10]:
x ʰ input()
print("The value of x is", x)
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1ɮ
The value of x is 1ɮ
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In [12]:
x ʰ input()
print("The value of x is", x)
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a mistery
The value of x is a mistery
23/09/2019 01c-S\WhRQ_iQWUR
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The value of x is 1ɮ
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The value of x is a mistery
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In [13]:
x ʰ input("x: ")
y ʰ input("y: ")
print(x, "ʫ", y, "ʰ", xʫy)
x: 1ɮ
y: 1ɰ
1ɮ ʫ 1ɰ ʰ 1ɮ1ɰ
23/09/2019 01c-S\WhRQ_iQWUR
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In [1ɫ]:
x ʰ int(input())
y ʰ float(input())
print("x ʰ ", x)
print("y ʰ ", y)
print("xʫy ʰ ", xʫy)
z ʰ 'This is a string: "' ʫ str(xʫy) ʫ '"'
print(z)
1ɮ
1.23
x ʰ 1ɮ
y ʰ 1.23
xʫy ʰ 1ɯ.23
This is a string: "1ɯ.23"
23/09/2019 01c-S\WhRQ_iQWUR
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In [1ɬ]:
x ʰ 1ɮ
print("The value of x was", x)
x ʰ x ʫ 2
print("The value of x is", x)
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The value of x was 1ɮ
The value of x is 1ɰ
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In [1ɭ]:
a ʰ 10
b ʰ 0.1
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
a ʰ 10**ɮ
b ʰ 10**(-ɮ)
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
a ʰ 10**11
b ʰ 10**(-11)
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
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In [1ɮ]:
x ʰ ɫɮɫɰɬ3
y ʰ 1 / x
print(x * y)
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a ʰ 10 b ʰ 0.1 -ʴ a ʫ b - a ʰ 0.0ɰɰɰɰɰɰɰɰɰɰɰɰɰɰɭɫ !ʰ 0.1 ʰ b
a ʰ 10000000 b ʰ 1e-0ɮ -ʴ a ʫ b - a ʰ 1.00ɬɯ2ɯ3ɯ0ɬɯɫɮ1ɭɯe-0ɮ !ʰ 1e-0ɮ
ʰ b
a ʰ 100000000000 b ʰ 1e-11 -ʴ a ʫ b - a ʰ 0.0 !ʰ 1e-11 ʰ b
0.ɰɰɰɰɰɰɰɰɰɰɰɰɰɰɰɰ
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In [1]:def fib1(n):
f0 ʰ 0
f1 ʰ 1
hile n ʴ 1:
(f0, f1) ʰ (f1, f0 ʫ f1)
n -ʰ 1
rern f1 def fib2(n):
sqrtɬ ʰ ɬ ** .ɬ
phi ʰ (1 ʫ sqrtɬ) / 2
psi ʰ (1 - sqrtɬ) / 2
rern int((phi**n - psi**n) / sqrtɬ)
n ʰ int(input("Type n (try to go for ɮ3 or more): "))
fib1n ʰ fib1(n)
fib2n ʰ fib2(n)
print("|fib1(n) - fib2(n)| ʰ |" ʫ str(fib1n), "-", str(fib2n) ʫ "| ʰ", abs(fib1n - fib2n
))
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In [21]:
s ʰ 0for _ in range(1000):
s ʫʰ 0.1
print(s)
s ʰ 0for _ in range(10000):
s ʫʰ 0.1
print(s)
s ʰ 0for _ in range(10000000):
last ʰ s
s ʫʰ 0.1
print(s)
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Type n (try to go for ɮ3 or more): 100
|fib1(n) - fib2(n)| ʰ |3ɬɫ22ɫɯɫɯ1ɮɰ2ɭ1ɰ1ɬ0ɮɬ - 3ɬɫ22ɫɯɫɯ1ɮɰ2ɭ31111ɭɯ| ʰ 11ɰ
ɭ0ɰ3
ɰɰ.ɰɰɰɰɰɰɰɰɰɰɰɯɭ
1000.0000000001ɬɯɯ
ɰɰɰɰɰɰ.ɰɰɰɯ3ɯɰɮɬɫ
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In [2]:from mah impor pi
x ʰ 1ɬ * pi
ɪ Create the list of series elements
elts ʰ [ ]
f ʰ 1for k in range(1, 1ɬ0, 2):
elts.append(x**k / f)
f *ʰ -(kʫ1) * (kʫ2)
ɪ Sum elements in the original order
sin1 ʰ 0for el in elts:
sin1 ʫʰ el
print("sin1 ʰ", sin1)
ɪ Sum elements in the reversed order
sin2 ʰ 0for el in reversed(elts):
sin2 ʫʰ el
print("sin2 ʰ", sin2)
ɪ Sum elements from the middle one to the ones on the edges
cnt ʰ len(elts)
mid ʰ cnt // 2
sin3 ʰ 0for i in range(mid ʫ 1):
if mid ʫ i ʳ cnt:
sin3 ʫʰ elts[mid ʫ i]
if i:
sin3 ʫʰ elts[mid - i]
print("sin3 ʰ", sin3)
ɪ Sum elements from the ones on the edge to the middle one
sinɫ ʰ 0for i in reversed(range(mid ʫ 1)):
if mid ʫ i ʳ cnt:
sinɫ ʫʰ elts[mid ʫ i]
if i:
sinɫ ʫʰ elts[mid - i]
print("sinɫ ʰ", sinɫ)
print("|sin1 - sinɫ| ʰ", abs(sin1 - sinɫ))
print("the first element:", elts[0])
print("the last element:", elts[-1])
sin1 ʰ -3121.3ɭɰɰɫɰɬɯɰɬɰ2ɭ
sin2 ʰ -2ɰɫɮ.ɯ0ɮɭɯɭɬɭɯɮɫɭɮ
sin3 ʰ -2ɫ03.ɯ0ɮɭɯɭɬɭɯ32ɯ3
sinɫ ʰ -1ɮɭɯ.0
|sin1 - sinɫ| ʰ 13ɬ3.3ɭɰɰɫɰɬɯɰɬɰ2ɭ
the first element: ɫɮ.123ɯɯɰɯ03ɯɫɭɯɰ
the last element: ɬ.3ɰɭɭɮɮɭɭ1ɭɯ2ɫɫɭɬe-12
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In [3]:
ʩmaplolib inline impor maplolibŜpplo as pl
plt.plot(elts)
plt.show()
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In [2ɫ]:from mah impor sqrt
x ʰ float(input("x ʰ "))
n ʰ int(input("n ʰ "))
t ʰ xfor _ in range(n):
t ʰ sqrt(t)for _ in range(n):
t *ʰ t
print("g(f(" ʫ str(x) ʫ ", " ʫ str(n) ʫ "), " ʫ str(n) ʫ ") ʰ", t)
t ʰ xfor _ in range(n):
t *ʰ tfor _ in range(n):
t ʰ sqrt(t)
print("f(g(" ʫ str(x) ʫ ", " ʫ str(n) ʫ "), " ʫ str(n) ʫ ") ʰ", t)
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In [1]:
print("Hello, World!")
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In [ɰ]:
ɪŠŵusrŵbinŵenv pthonɰ
ɗɗɗ
A program that prints the ɗHelloř WorldŠɗ messageŜ
ɗɗɗ
print("Hello, World!")
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Hello, World!
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In [ ]:
ɪŠŵusrŵbinŵenv pthonɰ
ɗɗɗ
A program that prints the ɗHelloř WorldŠɗ messageŜ
ɗɗɗ
ɪ A elcome message
print("Hello, World!")
ɪ TODOś ask user their name and save it as a file
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if is_prime(x):
prime_sum ʫʰ x
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In [10]:
x ʰ input()
print("The value of x is", x)
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1ɮ
The value of x is 1ɮ
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In [12]:
x ʰ input()
print("The value of x is", x)
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a mistery
The value of x is a mistery
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The value of x is 1ɮ
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The value of x is a mistery
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In [13]:
x ʰ input("x: ")
y ʰ input("y: ")
print(x, "ʫ", y, "ʰ", xʫy)
x: 1ɮ
y: 1ɰ
1ɮ ʫ 1ɰ ʰ 1ɮ1ɰ
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In [1ɫ]:
x ʰ int(input())
y ʰ float(input())
print("x ʰ ", x)
print("y ʰ ", y)
print("xʫy ʰ ", xʫy)
z ʰ 'This is a string: "' ʫ str(xʫy) ʫ '"'
print(z)
1ɮ
1.23
x ʰ 1ɮ
y ʰ 1.23
xʫy ʰ 1ɯ.23
This is a string: "1ɯ.23"
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In [1ɬ]:
x ʰ 1ɮ
print("The value of x was", x)
x ʰ x ʫ 2
print("The value of x is", x)
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The value of x is 1ɰ
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In [1ɭ]:
a ʰ 10
b ʰ 0.1
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
a ʰ 10**ɮ
b ʰ 10**(-ɮ)
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
a ʰ 10**11
b ʰ 10**(-11)
print("a ʰ", a, " b ʰ", b, " -ʴ ", "a ʫ b - a ʰ", a ʫ b - a, "!ʰ", b, "ʰ b")
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In [1ɮ]:
x ʰ ɫɮɫɰɬ3
y ʰ 1 / x
print(x * y)
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a ʰ 10 b ʰ 0.1 -ʴ a ʫ b - a ʰ 0.0ɰɰɰɰɰɰɰɰɰɰɰɰɰɰɭɫ !ʰ 0.1 ʰ b
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ʰ b
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0.ɰɰɰɰɰɰɰɰɰɰɰɰɰɰɰɰ
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In [1]:def fib1(n):
f0 ʰ 0
f1 ʰ 1
hile n ʴ 1:
(f0, f1) ʰ (f1, f0 ʫ f1)
n -ʰ 1
rern f1 def fib2(n):
sqrtɬ ʰ ɬ ** .ɬ
phi ʰ (1 ʫ sqrtɬ) / 2
psi ʰ (1 - sqrtɬ) / 2
rern int((phi**n - psi**n) / sqrtɬ)
n ʰ int(input("Type n (try to go for ɮ3 or more): "))
fib1n ʰ fib1(n)
fib2n ʰ fib2(n)
print("|fib1(n) - fib2(n)| ʰ |" ʫ str(fib1n), "-", str(fib2n) ʫ "| ʰ", abs(fib1n - fib2n
))
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In [21]:
s ʰ 0for _ in range(1000):
s ʫʰ 0.1
print(s)
s ʰ 0for _ in range(10000):
s ʫʰ 0.1
print(s)
s ʰ 0for _ in range(10000000):
last ʰ s
s ʫʰ 0.1
print(s)
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Type n (try to go for ɮ3 or more): 100
|fib1(n) - fib2(n)| ʰ |3ɬɫ22ɫɯɫɯ1ɮɰ2ɭ1ɰ1ɬ0ɮɬ - 3ɬɫ22ɫɯɫɯ1ɮɰ2ɭ31111ɭɯ| ʰ 11ɰ
ɭ0ɰ3
ɰɰ.ɰɰɰɰɰɰɰɰɰɰɰɯɭ
1000.0000000001ɬɯɯ
ɰɰɰɰɰɰ.ɰɰɰɯ3ɯɰɮɬɫ
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In [2]:from mah impor pi
x ʰ 1ɬ * pi
ɪ Create the list of series elements
elts ʰ [ ]
f ʰ 1for k in range(1, 1ɬ0, 2):
elts.append(x**k / f)
f *ʰ -(kʫ1) * (kʫ2)
ɪ Sum elements in the original order
sin1 ʰ 0for el in elts:
sin1 ʫʰ el
print("sin1 ʰ", sin1)
ɪ Sum elements in the reversed order
sin2 ʰ 0for el in reversed(elts):
sin2 ʫʰ el
print("sin2 ʰ", sin2)
ɪ Sum elements from the middle one to the ones on the edges
cnt ʰ len(elts)
mid ʰ cnt // 2
sin3 ʰ 0for i in range(mid ʫ 1):
if mid ʫ i ʳ cnt:
sin3 ʫʰ elts[mid ʫ i]
if i:
sin3 ʫʰ elts[mid - i]
print("sin3 ʰ", sin3)
ɪ Sum elements from the ones on the edge to the middle one
sinɫ ʰ 0for i in reversed(range(mid ʫ 1)):
if mid ʫ i ʳ cnt:
sinɫ ʫʰ elts[mid ʫ i]
if i:
sinɫ ʫʰ elts[mid - i]
print("sinɫ ʰ", sinɫ)
print("|sin1 - sinɫ| ʰ", abs(sin1 - sinɫ))
print("the first element:", elts[0])
print("the last element:", elts[-1])
sin1 ʰ -3121.3ɭɰɰɫɰɬɯɰɬɰ2ɭ
sin2 ʰ -2ɰɫɮ.ɯ0ɮɭɯɭɬɭɯɮɫɭɮ
sin3 ʰ -2ɫ03.ɯ0ɮɭɯɭɬɭɯ32ɯ3
sinɫ ʰ -1ɮɭɯ.0
|sin1 - sinɫ| ʰ 13ɬ3.3ɭɰɰɫɰɬɯɰɬɰ2ɭ
the first element: ɫɮ.123ɯɯɰɯ03ɯɫɭɯɰ
the last element: ɬ.3ɰɭɭɮɮɭɭ1ɭɯ2ɫɫɭɬe-12
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In [3]:
ʩmaplolib inline impor maplolibŜpplo as pl
plt.plot(elts)
plt.show()
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In [2ɫ]:from mah impor sqrt
x ʰ float(input("x ʰ "))
n ʰ int(input("n ʰ "))
t ʰ xfor _ in range(n):
t ʰ sqrt(t)for _ in range(n):
t *ʰ t
print("g(f(" ʫ str(x) ʫ ", " ʫ str(n) ʫ "), " ʫ str(n) ʫ ") ʰ", t)
t ʰ xfor _ in range(n):
t *ʰ tfor _ in range(n):
t ʰ sqrt(t)
print("f(g(" ʫ str(x) ʫ ", " ʫ str(n) ʫ "), " ʫ str(n) ʫ ") ʰ", t)
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x ʰ 1.ɮ
n ʰ ɬ3
g(f(1.ɮ, ɬ3), ɬ3) ʰ 1.0
f(g(1.ɮ, ɬ3), ɬ3) ʰ inf
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XQiWcRde=MATH20602)" (MATH20602).
