# python basics

**Repository Path**: cao-wang/python-basics

## Basic Information

- **Project Name**: python basics
- **Description**: No description available
- **Primary Language**: Python
- **License**: CC-BY-SA-4.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-03-03
- **Last Updated**: 2021-08-30

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# python basics

### 介绍
 这里是我的Python学习源代码
 
 ##   week 1
   
    这里是我的第一个Python代码
# a=int(input("请输入第一个整数："))
# b=int(input("请输入第二个整数："))
# c=int(input("请输入第三个整数："))
# if a>b:
#     t=a
#     a=b
#     b=t
# if a>c:
#     t=a
#     a=c
#     c=t
# if b>c:
#     t=b
#     b=c
#     c=t
# print(a,b,c)


# sum=1
# for i in range(1,11):
#     sum*=i
# print(sum)


# n=1
# sum=0
# while n>0:
#     n=int(input("请输入数字："))
#     sum+=n
# print(sum)

# x=int(input("请输入第一个数："))
# y=int(input("请输入第二个数："))
# if x>y:
#     s=y
# else:
#     s=x
# for i in range(1,s+1):
#     if((x%i==0)and(y%i==0)):
#         d=i
# print("最大公约数："+str(d))




# i=1
# while i<=5:
#      j=1
#      while j<=i:
#           print("*",end="")
#           j+=1
#      print("")
#      i+=1


# i=1
# while i<=5:
#      j=1
#      while j<=i:
#           print(j,end="")
#           j+=1
#      print("")
#      i+=1


# i=0

# while i<5:
#     j=5
#     a=1
#     while j>i:
#         print(a,end='')
#         j-=1
#         a+=1
#     print()
#     i+=1



 20:43:09
public class test3 {
    public static void main(String[] args) {
        int count = 0;
		for(int i=1; i<=50; i++) {
			boolean flag = true;
			for(int j=1; j<i; j++) {
				if(j != 1 && i%j == 0) {
					flag = false;
				}
			}
			
			if(flag&&i!=1) {
				if(count%10==0) {
					System.out.println();
					System.out.print(i+" ");
				}else {
					System.out.print(i+" ");
				}
				count++;
			}
			
		}
    }
}

 20:43:25


 20:43:49
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

public class test6 {
    public static void main(String[] args) {
        Calendar calendar = Calendar.getInstance();
		calendar.set(calendar.MONTH,1);
		calendar.set(calendar.DAY_OF_MONTH,1);
		Date date = calendar.getTime();
		
		DateFormat dt = DateFormat.getDateInstance(DateFormat.FULL);
		String s = dt.format(date);
		System.out.println(s.substring(s.length()-3));
		
    }
}

 20:43:58
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

public class test6 {
    public static void main(String[] args) {
        Calendar calendar = Calendar.getInstance();
		calendar.set(calendar.MONTH,1);
		calendar.set(calendar.DAY_OF_MONTH,1);
		Date date = calendar.getTime();
		
		DateFormat dt = DateFormat.getDateInstance(DateFormat.FULL);
		String s = dt.format(date);
		System.out.println(s.substring(s.length()-3));
		
    }
}


public class test4 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		System.out.print("输入：");
		String s = "";
		int sum = 0;
		int a = 0;
		int count1 = 0;
		int count2 = 0;
		
		while(true) {
			int x = sc.nextInt();
			s += x+" ";
			
			if(x==0) {
				break;
			}
		}
		String[] ss = s.split(" ");
		for(int i=0; i<ss.length; i++) {
			int y = Integer.parseInt(ss[i]);
			if(y>0) {
				count1++;
			}else if(y<0) {
				count2++;
			}
			sum += y;
		}
		System.out.println("正数："+count1+" 负数："+count2+"  和："+sum+" "+"平均值："+((double)sum/ss.length));
    }
}