Python 2.7 写入csv文件(python)中同一行的列
我正在尝试将值写入csv文件,以便每两次迭代,结果都在同一行中,然后下一次将值打印到新行。任何帮助都将不胜感激。非常感谢。 这就是我到目前为止所做的:Python 2.7 写入csv文件(python)中同一行的列,python-2.7,csv,Python 2.7,Csv,我正在尝试将值写入csv文件,以便每两次迭代,结果都在同一行中,然后下一次将值打印到新行。任何帮助都将不胜感激。非常感谢。 这就是我到目前为止所做的: import csv import math savePath = '/home/dehaoliu/opencv_test/Engineering_drawings_outputs/' with open(str(savePath) +'outputsTest.csv','w') as f1: writer=csv.writer
import csv
import math
savePath = '/home/dehaoliu/opencv_test/Engineering_drawings_outputs/'
with open(str(savePath) +'outputsTest.csv','w') as f1:
writer=csv.writer(f1, delimiter='\t',lineterminator='\n',)
temp = []
for k in range(0,2):
temp = []
for i in range(0,4):
a = 2 +i
b = 3+ i
list = [a,b]
temp.append(list)
writer.writerow(temp)
我现在得到的结果是
[2 3][3 4][4 5][5 6]
[2 3][3 4][4 5][5 6]
但是我想得到这样一个结果(不带括号),行中的每个数字都在一个单独的列中:
2 3 3 4
4 5 5 6
请尝试以下操作:
import csv
import math
savePath = '/home/dehaoliu/opencv_test/Engineering_drawings_outputs/'
with open(str(savePath) +'outputsTest.csv','w') as f1:
writer=csv.writer(f1, delimiter='\t',lineterminator='\n',)
temp = [2, 3]
for i in range(2):
temp = [x + i for x in temp]
additional = [y+1 for y in temp]
writer.writerow(temp + additional)
temp = additional[:]
这应返回:
# 2 3 3 4
# 4 5 5 6
您可以从包含数字2
和3
的临时列表开始。然后,从0
循环到2
(不包括)。在每次迭代中,您将临时列表的值按当前索引递增,然后使用临时列表的这些新值创建一个附加列表。完成后,将两个列表合并在一起,并将结果写入文件。此时,您可以将临时列表设置为等于附加列表的值,然后再进行下一次迭代
我希望这能有所帮助。尝试以下方法:
import csv
import math
savePath = '/home/dehaoliu/opencv_test/Engineering_drawings_outputs/'
with open(str(savePath) +'outputsTest.csv','w') as f1:
writer=csv.writer(f1, delimiter='\t',lineterminator='\n',)
temp = [2, 3]
for i in range(2):
temp = [x + i for x in temp]
additional = [y+1 for y in temp]
writer.writerow(temp + additional)
temp = additional[:]
这应返回:
# 2 3 3 4
# 4 5 5 6
您可以从包含数字2
和3
的临时列表开始。然后,从0
循环到2
(不包括)。在每次迭代中,您将临时列表的值按当前索引递增,然后使用临时列表的这些新值创建一个附加列表。完成后,将两个列表合并在一起,并将结果写入文件。此时,您可以将临时列表设置为等于附加列表的值,然后再进行下一次迭代
我希望这会有所帮助。您可以通过一个简单的种子和增量来展示它:
import csv
import os
save_path = "/home/dehaoliu/opencv_test/Engineering_drawings_outputs/"
with open(os.path.join(save_path, "outputsTest.csv"), "w") as f:
writer = csv.writer(f, delimiter="\t", lineterminator="\n")
temp = [2, 3, 3, 4] # init seed
increment = len(temp) // 2 # how many pairs we have, used to increase our seed each row
for _ in range(2): # how many rows do you need, any positive integer will do
writer.writerow(temp) # write the current value
temp = [x + increment for x in temp] # add 'increment' to the elements
导致:
2 3 3 4
4 5 5 6
您可以通过一个简单的种子和增量来呈现它:
import csv
import os
save_path = "/home/dehaoliu/opencv_test/Engineering_drawings_outputs/"
with open(os.path.join(save_path, "outputsTest.csv"), "w") as f:
writer = csv.writer(f, delimiter="\t", lineterminator="\n")
temp = [2, 3, 3, 4] # init seed
increment = len(temp) // 2 # how many pairs we have, used to increase our seed each row
for _ in range(2): # how many rows do you need, any positive integer will do
writer.writerow(temp) # write the current value
temp = [x + increment for x in temp] # add 'increment' to the elements
导致:
2 3 3 4
4 5 5 6