\u53d8\u91cf<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u7684\u547d\u540d\u7a7a\u95f4\u3002Python\u662f\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u53d8\u91cf\u4e0d\u9700\u8981\u663e\u5f0f\u58f0\u660e\u7c7b\u578b\u3002\nx = 10<\/p>\ny = 3.14<\/p>\n
name = "John"<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
\u6570\u636e\u7c7b\u578b<\/strong>\uff1aPython\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6574\u6570\uff08int\uff09\u3001\u6d6e\u70b9\u6570\uff08float\uff09\u3001\u5b57\u7b26\u4e32\uff08str\uff09\u3001\u5e03\u5c14\u503c\uff08bool\uff09\u7b49\u3002\na = 5 # int<\/p>\nb = 2.5 # float<\/p>\n
c = "Hello" # str<\/p>\n
d = True # bool<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\n\u8fd0\u7b97\u7b26<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u7b97\u672f\u8fd0\u7b97\u7b26\uff1a
+<\/code>, -<\/code>, *<\/code>, \/<\/code>, \/\/<\/code>, %<\/code>, <\/code>\na = 10<\/p>\nb = 3<\/p>\n
print(a + b) # 13<\/p>\n
print(a - b) # 7<\/p>\n
print(a * b) # 30<\/p>\n
print(a \/ b) # 3.3333333333333335<\/p>\n
print(a \/\/ b) # 3<\/p>\n
print(a % b) # 1<\/p>\n
print(a b) # 1000<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \u6bd4\u8f83\u8fd0\u7b97\u7b26\uff1a
==<\/code>, !=<\/code>, ><\/code>, <<\/code>, >=<\/code>, <=<\/code>\na = 10<\/p>\nb = 3<\/p>\n
print(a == b) # False<\/p>\n
print(a != b) # True<\/p>\n
print(a > b) # True<\/p>\n
print(a < b) # False<\/p>\n
print(a >= b) # True<\/p>\n
print(a <= b) # False<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u63a7\u5236\u7ed3\u6784<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u6761\u4ef6\u8bed\u53e5<\/strong>\uff1a\n
x = 10<\/p>\nif x > 5:<\/p>\n
print("x is greater than 5")<\/p>\n
elif x == 5:<\/p>\n
print("x is equal to 5")<\/p>\n
else:<\/p>\n
print("x is less than 5")<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \u5faa\u73af\u8bed\u53e5<\/strong>\uff1a\n
# for\u5faa\u73af<\/p>\nfor i in range(5):<\/p>\n
print(i)<\/p>\n
while\u5faa\u73af<\/strong><\/h2>\ni = 0<\/p>\n
while i < 5:<\/p>\n
print(i)<\/p>\n
i += 1<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u51fd\u6570<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u51fd\u6570\u662f\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u5757\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u3002\u4f7f\u7528
def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570\u3002\ndef greet(name):<\/p>\n return f"Hello, {name}!"<\/p>\n
print(greet("Alice")) # Hello, Alice!<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u7c7b\u548c\u5bf9\u8c61<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u7c7b\u662f\u521b\u5efa\u5bf9\u8c61\u7684\u84dd\u56fe\uff0c\u4f7f\u7528
class<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u7c7b\u3002\nclass Dog:<\/p>\n def __init__(self, name, age):<\/p>\n
self.name = name<\/p>\n
self.age = age<\/p>\n
def bark(self):<\/p>\n
return "Woof!"<\/p>\n
my_dog = Dog("Buddy", 3)<\/p>\n
print(my_dog.name) # Buddy<\/p>\n
print(my_dog.bark()) # Woof!<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u56db\u3001\u8fd0\u884c\u548c\u8c03\u8bd5\u4ee3\u7801<\/h3>\n<\/p>\n
\u7f16\u5199\u5b8cPython\u4ee3\u7801\u540e\uff0c\u9700\u8981\u8fd0\u884c\u548c\u8c03\u8bd5\u4ee3\u7801\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u529f\u80fd\u7684\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\n- \n
\u8fd0\u884cPython\u4ee3\u7801<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528
python<\/code>\u547d\u4ee4\u8fd0\u884cPython\u811a\u672c\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u4e2a\u540d\u4e3ascript.py<\/code>\u7684Python\u6587\u4ef6\uff0c\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165python script.py<\/code>\u8fd0\u884c\u8be5\u811a\u672c\u3002<\/li>\n- \u5728\u4ee3\u7801\u7f16\u8f91\u5668\u6216IDE\u4e2d\uff0c\u901a\u5e38\u63d0\u4f9b\u4e86\u76f4\u63a5\u8fd0\u884c\u4ee3\u7801\u7684\u6309\u94ae\u6216\u5feb\u6377\u952e\u3002\u4f8b\u5982\uff0c\u5728VS Code\u4e2d\uff0c\u53ef\u4ee5\u70b9\u51fb\u53f3\u4e0a\u89d2\u7684\u8fd0\u884c\u6309\u94ae\uff0c\u6216\u4f7f\u7528\u5feb\u6377\u952e
Ctrl+F5<\/code>\u8fd0\u884c\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n- \n
\u8c03\u8bd5Python\u4ee3\u7801<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u4f7f\u7528print\u8bed\u53e5\u8c03\u8bd5<\/strong>\uff1a\u5728\u4ee3\u7801\u4e2d\u63d2\u5165
print<\/code>\u8bed\u53e5\uff0c\u8f93\u51fa\u53d8\u91cf\u7684\u503c\u6216\u7a0b\u5e8f\u7684\u6267\u884c\u8def\u5f84\uff0c\u5e2e\u52a9\u67e5\u627e\u95ee\u9898\u3002\ndef add(a, b):<\/p>\n print(f"a: {a}, b: {b}") # \u8c03\u8bd5\u8f93\u51fa<\/p>\n
return a + b<\/p>\n
result = add(5, 3)<\/p>\n
print(f"Result: {result}")<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \u4f7f\u7528\u8c03\u8bd5\u5de5\u5177<\/strong>\uff1a\u73b0\u4ee3\u7684\u4ee3\u7801\u7f16\u8f91\u5668\u548cIDE\u901a\u5e38\u96c6\u6210\u4e86\u8c03\u8bd5\u5de5\u5177\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u3001\u5355\u6b65\u6267\u884c\u3001\u67e5\u770b\u53d8\u91cf\u503c\u7b49\u3002\u4f8b\u5982\uff0c\u5728VS Code\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fb\u884c\u53f7\u5de6\u4fa7\u7684\u7a7a\u767d\u533a\u57df\u8bbe\u7f6e\u65ad\u70b9\uff0c\u7136\u540e\u70b9\u51fb\u8fd0\u884c\u6309\u94ae\u65c1\u8fb9\u7684\u8c03\u8bd5\u6309\u94ae\uff0c\u8fdb\u5165\u8c03\u8bd5\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u4e94\u3001\u5b66\u4e60\u548c\u4f7f\u7528Python\u5e93<\/h3>\n<\/p>\n
Python\u62e5\u6709\u4e30\u5bcc\u7684\u6807\u51c6\u5e93\u548c\u7b2c\u4e09\u65b9\u5e93\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u6269\u5c55Python\u7684\u529f\u80fd\uff0c\u6ee1\u8db3\u5404\u79cd\u7f16\u7a0b\u9700\u6c42\u3002<\/p>\n<\/p>\n
\n- \n
\u6807\u51c6\u5e93<\/strong>\uff1a<\/p>\n<\/p>\n\n- Python\u6807\u51c6\u5e93\u5305\u542b\u4e86\u8bb8\u591a\u5e38\u7528\u7684\u6a21\u5757\u548c\u5305\uff0c\u53ef\u4ee5\u76f4\u63a5\u5bfc\u5165\u4f7f\u7528\u3002\u4f8b\u5982\uff0c
math<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u6570\u5b66\u51fd\u6570\uff0cdatetime<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u65e5\u671f\u548c\u65f6\u95f4\u5904\u7406\u529f\u80fd\u3002\nimport math<\/p>\nimport datetime<\/p>\n
print(math.sqrt(16)) # 4.0<\/p>\n
print(datetime.datetime.now()) # \u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u7b2c\u4e09\u65b9\u5e93<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u901a\u8fc7Python\u5305\u7ba1\u7406\u5668
pip<\/code>\u53ef\u4ee5\u5b89\u88c5\u548c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3002\u5e38\u89c1\u7684\u7b2c\u4e09\u65b9\u5e93\u5305\u62ecnumpy<\/code>\uff08\u6570\u503c\u8ba1\u7b97\uff09\u3001pandas<\/code>\uff08\u6570\u636e\u5206\u6790\uff09\u3001matplotlib<\/code>\uff08\u6570\u636e\u53ef\u89c6\u5316\uff09\u3001requests<\/code>\uff08HTTP\u8bf7\u6c42\uff09\u7b49\u3002\n# \u5b89\u88c5\u7b2c\u4e09\u65b9\u5e93<\/p>\npip install numpy pandas matplotlib requests<\/strong><\/h2>\nimport numpy as np<\/p>\n
import pandas as pd<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
import requests<\/p>\n
\u4f7f\u7528numpy\u8fdb\u884c\u6570\u7ec4\u8ba1\u7b97<\/strong><\/h2>\narr = np.array([1, 2, 3, 4])<\/p>\n
print(arr * 2) # [2 4 6 8]<\/p>\n
\u4f7f\u7528pandas\u8fdb\u884c\u6570\u636e\u5206\u6790<\/strong><\/h2>\ndata = {'Name': ['Alice', 'Bob', 'Charlie'], 'Age': [25, 30, 35]}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
print(df)<\/p>\n
\u4f7f\u7528matplotlib\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316<\/strong><\/h2>\nplt.plot([1, 2, 3], [4, 5, 6])<\/p>\n
plt.show()<\/p>\n
\u4f7f\u7528requests\u8fdb\u884cHTTP\u8bf7\u6c42<\/strong><\/h2>\nresponse = requests.get('https:\/\/api.github.com')<\/p>\n
print(response.json())<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u516d\u3001\u5b9e\u8df5\u548c\u9879\u76ee<\/h3>\n<\/p>\n
\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u6700\u91cd\u8981\u7684\u662f\u5b9e\u8df5\u3002\u901a\u8fc7\u5b9e\u9645\u9879\u76ee\u548c\u7ec3\u4e60\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1Python\u7f16\u7a0b\u6280\u80fd\u3002<\/p>\n<\/p>\n
\n- \n
\u7ec3\u4e60\u9898\u548c\u7f16\u7a0b\u6311\u6218<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u53ef\u4ee5\u5728LeetCode\u3001HackerRank\u3001Codewars\u7b49\u7f16\u7a0b\u6311\u6218\u5e73\u53f0\u4e0a\u7ec3\u4e60Python\u7f16\u7a0b\u9898\u76ee\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6280\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u4e2a\u4eba\u9879\u76ee<\/strong>\uff1a<\/p>\n<\/p>\n\n- \u6839\u636e\u81ea\u5df1\u7684\u5174\u8da3\u548c\u9700\u6c42\uff0c\u9009\u62e9\u4e00\u4e2a\u5b9e\u9645\u9879\u76ee\u8fdb\u884c\u5f00\u53d1\u3002\u4f8b\u5982\uff0c\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u9875\u722c\u866b\u3001\u6570\u636e\u5206\u6790\u5de5\u5177\u3001\u5c0f\u6e38\u620f\u7b49\u3002\u901a\u8fc7\u5b9e\u9645\u9879\u76ee\uff0c\u53ef\u4ee5\u6df1\u5165\u7406\u89e3Python\u7f16\u7a0b\u7684\u5404\u4e2a\u65b9\u9762\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u5f00\u6e90\u9879\u76ee\u8d21\u732e<\/strong>\uff1a<\/p>\n<\/p>\n
![\"\u5982\u4f55\u5728\u7535\u8111\u4e0a\u7528python\u5199\u7a0b\u5e8f\"](\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/c0a5d2ee-3ee1-43cc-b7a6-30e898396a5b.webp?x-oss-process=image\/auto-orient,1\/format,webp\")
<\/p>\n